Reviews and Information for Turmeric
Turmeric and Curcumin Supplements and Spices
Trying to find the best turmeric or curcumin supplement or spice? ConsumerLab tested many popular products on the market. Find out which turmeric and curcumin supplements and spices are best and our Top Picks. We found major differences among brands.
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CL Answer
How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.
What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.
Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
One-Third of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and our Top Picks.
CL Answer
Black Pepper Extract & Turmeric: Is black pepper extract necessary for turmeric to be effective, and is it safe?
Find out the best way to take turmeric and curcumin supplements to increase absorption and bioavailability. ConsumerLab.com's answer explains.
CL Answer
There are many reports of lead contamination in turmeric spice. How can I make sure I'm not getting lead in my turmeric supplement or spice?
Find out how to avoid contaminated curcumin and turmeric supplements and spices, and see our Top Picks in our Curcumin/Turmeric Product Review.
CL Answer
I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?
Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.
CL Answer
Are there drug interactions with curcumin or turmeric?
Find out how curcumin/turmeric, and piperine (black pepper extract which is often added to curcumin and turmeric supplements) can interact with nutrient absorption and with other drugs.
CL Answer
Will sprinkling black pepper on food with turmeric help increase the bioavailability of curcumin in the turmeric?
Find out how black pepper extract in supplements compares with regular black pepper added to foods with turmeric.
CL Answer
What is the best way to take curcumin? Is it better to take it all at once or in divided doses?
Find out the best way to take curcumin and turmeric supplements to increase absorption and bioavailability, plus the best way to cook with turmeric spice. ConsumerLab.com's answer explains.
CL Answer
Can turmeric or curcumin with black pepper extract cause constipation? I had this problem, but it resolved when I switched to a curcumin supplement without piperine (black pepper extract).
Learn more about black pepper extract, why it is added to turmeric/curcumin supplements, and if it can cause gastrointestinal effects.
CL Answer
Will sprinkling black pepper on food with turmeric help increase the bioavailability of curcumin in the turmeric?
Find out how black pepper extract (piperine, Bioperine) in supplements compares with regular black pepper added to foods with turmeric. Plus, safety, side effects and drug interactions with black pepper extract.
CL Answer
Do turmeric and curcumin supplements contain significant amounts of oxalates? Can this increase my risk of kidney stones?
Find out if turmeric and curcumin supplements can increase the risk of kidney stones. ConsumerLab.com's answer explains.
News Release
February 26, 2024
Latest ConsumerLab Survey Shows Growth in Popularity of Magnesium and Several Smaller Supplements
White Plains, New York, February 26, 2024 — A recent survey of more than 10,000 people who regularly use dietary supplements shows that supplements that experienced the greatest absolute growth in popularity during 2023 were pregnenolone (+7.5 percentage points), magnesium (+4.8 pts), berberine (+4.
News Release
December 28, 2023
10 Most Popular ConsumerLab Product Reviews of 2023
White Plains, New York, December 28, 2023 — In 2023, ConsumerLab tested more than two hundred products, adding to its extensive Product Reviews covering 150 categories of supplements, foods, and other health products. Among these, the following 10 were the most popular in 2023:
News Release
June 29, 2023
ConsumerLab Tests Reveal the Best Turmeric and Curcumin Supplements & Spices
White Plains, New York, June 29, 2023 — Turmeric and curcumin (a key compound in turmeric) are promoted for uses including osteoarthritis, seasonal allergies, and ulcerative colitis, as well as improving cognition and reducing symptoms of depression.
Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins In 2023 -- Caution with Gummies
CL Answer
Is it true that taking turmeric/curcumin with food can reduce iron absorption from food?
Learn more about how to take turmeric/curcumin and if they limit iron absorption from food.
Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.
Clinical Update
7/31/2019
Fresh vs. Powdered Turmeric
When adding turmeric to your meal, do you absorb more curcumin from freshly grated turmeric or turmeric powder? And how do these compare to curcumin powder? Learn the surprising answer in the What to Consider When Buying and Using section of the Turmeric and Curcumin Review. Also see our Top Picks for turmeric and curcumin.
News Release
February 24, 2023
Probiotics Rise in Popularity as Vitamin C, Melatonin, and Others Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 25, 2023 —A recent survey of 8,600 people who regularly use dietary supplements shows that probiotics (+3.04 percentage points), quercetin (+2.3 pts), and vitamin K (+1.
Clinical Update
10/18/2022
Liver Injury From Turmeric/Curcumin
Several cases of turmeric/curcumin-related liver injury have been reported in the U.S. in recent years. Learn the most common symptoms and who is most likely to be affected in the Concerns and Cautions section of our Turmeric and Curcumin Supplements and Spices Review.
Also see our Answer to the question: "Is there a risk of liver toxicity with certain supplements?"
Clinical Update
2/04/2017
Caution: Turmeric Drug Interaction
It was recently reported that a man consuming large daily amounts of turmeric experienced kidney toxicity, likely due to an interaction between turmeric and the drug he was taking. Get more details about this and other drug interactions with turmeric, curcumin, and piperine (a black pepper extract often added to curcumin supplements) in the "Concerns and Cautions" section of the Turmeric/Curcumin Supplements Review (which includes our tests of products) >>
Clinical Update
6/08/2019
Turmeric (Curcumin) and Fatty Liver Disease
Several studies suggest that curcumin supplements (from turmeric) may be helpful to people with non-alcoholic fatty liver disease. For details, see the What It Does section of the Turmeric & Curcumin Supplements Review. Also see our Top Picks among products.
Clinical Update
6/08/2019
Liver Injury With Turmeric
Another case of liver injury from a turmeric/curcumin supplement was recently reported. Although not common, it is important to be aware of this potential risk. For details, see the Concerns and Cautions section of the Turmeric & Curcumin Supplements Review.
CL Answer
Does Provitalize work for weight loss and is it safe?
Find out if taking Provitalize, a probiotic supplement that also contains turmeric extract, moringa leaf extract, curry leaf extract and piperine (BioPerine), relieves joint pain, decreases abdominal fat, or helps with weight loss.
CL Answer
Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.
CL Answer
Is Relief Factor likely to relieve aches and pains, and is it safe?
Find out if the dietary supplement Relief Factor is likely to help relieve aches and pains, if it is safe, and if it is worth the cost.
CL Answer
Which supplements and foods reduce or increase the risk of kidney stones?
Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.
Clinical Update
8/12/2024
Turmeric Tea?
Is turmeric tea a good way to get curcumin (the key compound in turmeric)? Find out in the ConsumerTips section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks among turmeric and curcumin supplements & spices.
Clinical Update
10/07/2024
Turmeric Supplements vs Spices
How do turmeric supplements compare to turmeric spices in terms of potentially beneficial curcumin compounds and contamination with toxic heavy metals? Find out in our article about turmeric supplements vs. spices. Also see our Top Picks among turmeric supplements and spices.
Clinical Update
8/22/2023
Turmeric Interactions
Consuming large amounts of turmeric spice may increase the effects of tacrolimus, an immunosuppressant medication, although moderate amounts may not have this effect, as was recently reported. Get the details, and learn about other potential interactions with turmeric and curcumin, in the Concerns and Cautions section of our Turmeric and Curcumin Supplements & Spices Review.
Also see our Top Picks among turmeric supplements and spices.
Clinical Update
7/04/2018
Cooking With Turmeric
Is cooking with turmeric a good way to get curcumin? How does it compare with taking a supplement? Find out what studies are showing in the ConsumerTips section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks for turmeric spices and turmeric/curcumin supplements.)
Clinical Update
8/23/2021
Inferior Turmeric on Amazon
Tests of turmeric and curcumin supplements purchased on Amazon showed that many provided very little curcumin, a key compound in turmeric, and other problems. Get the details in the Quality Concerns section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
CL Answer
Is there a risk of liver toxicity with certain supplements?
Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.
CL Answer
After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea?
Learn more about the side effects of curcumin supplements, including diarrhea and other gastrointestinal discomfort.
CL Answer
Can taking curcumin cause dry eye?
Find out if curcumin (from turmeric) can cause dry eye, or help to relieve dry eye. ConsumerLab.com's answer explains.
Product Review
Apple Cider Vinegar Review — Bottled Liquids and Supplements
Find the Best Apple Cider Vinegar. See Which Apple Cider Vinegar Liquids and Supplements Passed Our Tests of Quality.
Product Review
Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)
Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.
Clinical Update
12/14/2021
Lead Contamination in Turmeric Spice
Elevated blood levels of lead in two children were linked to turmeric purchased from a local market in the U.S., according to a recent report. Get the details in the Quality Concerns section of our Turmeric and Curcumin Supplements & Spices Review, which includes our tests for lead contamination. See our Top Picks for turmeric.
Clinical Update
2/13/2024
Turmeric Instead of Salt
Adding certain spices, such as turmeric, can significantly reduce the amount of salt needed to add saltiness to food, according to a recent study. Get the details, and see our Top Pick among tested turmeric spices, in our Turmeric & Curcumin Review.
Also see: Do “lite” salts and salt substitutes containing potassium help lower blood pressure and reduce heart risks? Are they safe?
Clinical Update
5/07/2024
Turmeric for Arthritis?
Does supplementing with turmeric extract (curcumin) help reduce joint pain in people with rheumatoid arthritis? Find out what a recent study showed in the Arthritis section of our Turmeric and Curcumin Supplements and Spices Review, which includes our Top Picks for turmeric and curcumin.
Also see: Which supplements help with arthritis?
Clinical Update
7/08/2022
Is Fermented Turmeric Better?
Find out if fermented turmeric is better absorbed than other turmeric formulations in the Absorption and Bioavailability section of our Turmeric and Curcumin Supplements Review.
Clinical Update
2/22/2023
Turmeric for Knee Pain?
Did a turmeric extract without curcumin relieve knee pain following stair climbing exercise? Find out what a recent study showed in the Muscle Soreness and Recovery After Exercise section of our Turmeric and Curcumin Supplements Review. Also see our Top Picks among turmeric and curcumin supplements.
Clinical Update
1/06/2023
Turmeric & Curcumin Bleeding Risk?
Although uncommon, turmeric and curcumin supplementation may increase bleeding risk during medical procedures, as reported recently. Turmeric and curcumin may also increase bleeding risk in people taking blood-thinning medication. For details, see the Concerns and Cautions section of our Turmeric and Curcumin Supplements and Spices Review.
Clinical Update
3/21/2023
Avoiding Oxalates in Turmeric?
Oxalates can promote the formation of kidney stones and are found in turmeric supplements. However, this is not an issue with many curcumin supplements, as discussed in the Concerns and Cautions section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks for turmeric and curcumin.
Also see our article about supplements that increase or reduce the risk of kidney stones.
Clinical Update
9/18/2020
Turmeric for Knee Pain?
Can turmeric reduce pain and swelling in people with knee osteoarthritis? Find out what a recent study showed in the What It Does section of our Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among curcumin and turmeric supplements.
Clinical Update
10/14/2017
Turmeric (Curcumin) and Cholesterol
Turmeric and curcumin (from turmeric) can help lower levels of LDL "bad" cholesterol and triglycerides, according to a recent review of studies. Certain formulations may be better than others. Get the details in the "What It Does" section of the Turmeric and Curcumin Supplements Review >>
Clinical Update
9/24/2019
Lead in Turmeric
A new report reveals that in some parts of the world where turmeric is grown, lead is being intentionally added. Find out where and why in the Quality Concerns section of the Turmeric and Curcumin Review. ConsumerLab tests all turmeric root powder products for lead and other heavy metals.
Clinical Update
7/13/2019
Liver Toxicity With Turmeric
Although uncommon, there are now several recent reports of liver toxicity associated with turmeric or curcumin supplements. Get the details in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review. Also see our Top Picks for turmeric and curcumin.
Product Review
Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)
Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.
CL Answer
I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?
CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. ConsumerLab.com's answer explains.
CL Answer
Which vitamins and supplements should be stopped before getting blood work, laboratory tests, or medical imaging?
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
CL Answer
Which dietary supplements, health foods or spices contain high levels of lead?
Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.
CL Answer
What are the best supplements for depression and anxiety?
Best natural supplements for depression and anxiety, including the evidence for fish oil, vitamin D, probiotics, and herbal supplements for depression such as curcumin (from turmeric) and saffron.
CL Answer
I do moderate exercise for about an hour a few times a week. Which supplements might help me, and which should I consider avoiding?
Info on what supplements are best for work out & exercise regimens, including electrolytes, protein, creatine, and BCAAs.
Clinical Update
2/28/2014
New Curcumin Increases Bioavailability
Curcumin (from turmeric) is not well absorbed, so many formulations have been developed to increase its bioavailability. A recent study found a new formulation to be 49 times as bioavailable as standard curcumin, making it, by far, the most available form on the market. Get the details about this and other formulations of curcumin, as well as CL's tests and reviews of turmeric and curcumin products, in the Turmeric and Curcumin Supplements Review >>
Clinical Update
11/22/2014
Turmeric for Memory
A new study shows a modest benefit of turmeric on short-term memory among older individuals with pre-diabetes. Details about the study and dosage used, as well as results of our tests of popular products, are found in the Turmeric and Curcumin Supplements Review >>
Clinical Update
11/09/2017
Curcumin Drug Interaction
Curcumin, from turmeric, can affect many prescription drugs. The most recent report involves an immunosuppressive drug also used in cancer treatment. For details about this interaction and other drug interactions of curcumin and turmeric, see the "Concerns and Cautions" section of the Turmeric & Curcumin Supplements Review >>
Clinical Update
4/06/2018
Curcumin for Cognition?
Did high-dose curcumin (derived from turmeric) improve cognition or reduce fatigue in healthy middle-aged and older people in a recent study? Find out what curcumin can and can’t do in the What It Does section of the Turmeric & Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric products.)
Clinical Update
8/07/2021
Curcumin for Indigestion?
How well does curcumin (from turmeric) improve digestive symptoms such as indigestion, diarrhea or constipation? See what a new study found in the What It Does section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
10/26/2021
Curcumin for Indigestion?
Can curcumin (from turmeric) reduce symptoms of indigestion? See what a new study found in the What It Does section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
11/26/2021
Contaminated Turmeric
We have added information to our Turmeric reviews to include recent tests of spices for toxic heavy metals, such as lead, expanding the number of brands tested.
Clinical Update
1/27/2021
Curcumin for Reducing Muscle Soreness?
Can taking curcumin (from turmeric) reduce muscle soreness related to exercise – and does it enhance muscle strengthening from exercise? See what a new study found in the Muscle Soreness and Recovery section of the Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks for turmeric/curcumin.
Clinical Update
3/25/2020
Another Case of Liver Injury With Turmeric
Although believed to be rare, we’ve been reporting a steady stream of cases of liver injury (hepatitis) with turmeric supplements. Learn the symptoms and read the latest in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review.
Clinical Update
4/20/2019
Curcumin for Asthma?
Find out if curcumin (from turmeric powder) decreased asthma symptoms in a recent study, as described in the What It Does section of the Curcumin and Turmeric Supplements & Spices Review. Also see our Top Picks for curcumin and turmeric supplements.
Clinical Update
10/30/2019
Liver Toxicity With Turmeric/Curcumin
Several cases of liver toxicity from turmeric and curcumin supplements have been reported. For details, and the latest case, see the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review.
Clinical Update
1/04/2020
Curcumin for Blood Sugar Control?
Preliminary research suggests that curcumin (from turmeric) taken with meals can reduce the increases in blood sugar and insulin levels that occur after eating. But does curcumin help people with pre-existing type 2 diabetes? See what a recent study found in the What It Does section of the Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
9/06/2017
Turmeric for Arthritis?
Curcumin (from turmeric) has shown promise in reducing the pain and inflammation of rheumatoid arthritis in several small studies, including one that was recently published. However, larger studies are needed to prove this benefit. Details are found in the "What It Does" section of the Turmeric and Curcumin Supplements Review (which includes our Top Picks among products).
Clinical Update
8/20/2019
Turmeric for Knee Pain
Several short-term studies have shown moderate benefit with turmeric extracts. Get the details, including results of a recent study, in the What It Does section of the Turmeric & Curcumin Supplements and Spices Review. Also see our Top Picks among products.
Clinical Update
8/08/2018
Which Curcumin Formulation Is Best?
Curcumin (which comes from turmeric) is not well absorbed unless taken with a fatty (oily) meal, so many formulations have been developed that enhance its absorption. Which of these is best absorbed? Find out in the Which form is best section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among tested turmeric and curcumin supplements.)
Clinical Update
5/24/2022
Skin Yellowing from Turmeric/Curcumin
Taking turmeric or curcumin has been reported to cause yellowing of the skin in some circumstances. Get the details in the updated Concerns and Cautions section of our Turmeric and Curcumin Supplements and Spices Review.
Clinical Update
5/16/2023
Turmeric Formula Change
We learned that the ingredient formula in our Top Pick for Turmeric/Curcumin for dogs has changed -- see the Update. Also see our Top Picks among curcumin supplements for people and among turmeric spices.
Clinical Update
7/29/2024
Turmeric Root for Depression?
Did taking turmeric root extract for one year reduce depression severity in people with depression? Find out what a recent study showed in the Depression section of our Turmeric and Curcumin Supplements and Spices Review, which includes our Top Picks among supplements and spices.
Clinical Update
12/05/2023
Liver Injury With Turmeric
Another case of liver injury with a turmeric supplement was reported. Get the details in the Concerns and Cautions section of our Turmeric and Curcumin Supplements Review.
Clinical Update
10/14/2024
Turmeric-Related Liver Injury
Eleven more cases of turmeric-related liver injury in the U.S. were recently analyzed. Get the details in the Concerns and Cautions section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks among supplements and spices.
Also see: Is there a risk of liver toxicity with certain supplements?
CL Answer
Is Rhodiola rosea effective for depression and does it have other uses? Will ConsumerLab.com be testing these supplements?
Learn more about Rhodiola rosea, it's impact on depression and anxiety, including evidence from clinical studies and safety.
CL Answer
With herbal supplements, what is the difference between root powder and root extract? Does it matter?
Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.
CL Answer
Can curcumin help prevent or improve symptoms of Alzheimer's disease?
Information on studies of the evidence around the effects of turmeric/curcumin and Alzheimer's.
Clinical Update
7/05/2023
Curcumin for Knee Pain?
Did curcumin supplementation decrease pain or improve function in people with knee osteoarthritis? See what a new study found in the Osteoarthrits section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks among turmeric/curcumin supplements and spices.
Also see: Which supplements help with arthritis?
Clinical Update
1/31/2023
What Helps or Worsens Reflux?
Find out if the following improve, or worsen, symptoms of acid reflux:
- Turmeric & Curcumin
- Menthol (in toothpastes, mouthwashes and chewing gum)
- Alanine
- Glutamine
- Glycine
Clinical Update
11/07/2016
Taking Curcumin With an NSAID?
Studies have shown that curcumin (an extract of turmeric) can improve symptoms of knee arthritis as well as a non-steroidal anti-inflammatory drug. But is there benefit in taking them together? A new study provides an answer, as discussed in the "What It Does" section of the Turmeric/Curcumin Supplements Review >>
Clinical Update
4/04/2017
Curcumin for Muscle Soreness?
Several studies have evaluated curcumin to reduce muscle soreness, pain, and loss of power after exercise. The most recent study showed little benefit. For details, see the "What It Does" section of the new Turmeric/Curcumin Supplements & Spices Review >>
Clinical Update
1/02/2018
Does Curcumin Lower Cholesterol?
A recent study evaluated whether curcumin can help lower cholesterol levels, as well as further reduce levels in people using a phytosterol spread. Get the results and details about the type and dose of curcumin used, in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> (Also see our Top Picks among products.)
For more about cholesterol-lowering, also see our Phytosterol Supplements Review >>
Clinical Update
6/02/2017
Curcumin for Ulcerative Colitis?
Some studies have found curcumin helpful when added to medical treatment for ulcerative colitis, but a recent study found no benefit. Find out how this study was different and learn more about other uses of curcumin in the "What It Does" section of the Turmeric & Curcumin Supplements Review, which includes CL's tests and comparisons of popular brands.
Clinical Update
4/23/2016
Curcumin and Cognition
Curcumin (from turmeric) has been shown to provide anti-inflammatory effects, helpful in osteoarthritis and gastrointestinal conditions, and even an anti-depressant effect. A recent long-term study evaluated its effects on cognition and memory in older people. See the results in the "What It Does" section of the Turmeric/Curcumin Supplements Review (which includes our tests of popular products) >>
Clinical Update
11/10/2017
Curcumin for Memory
There is mixed evidence on whether or not curcumin helps improve memory. A recently published study found that a proprietary formula helped, although, last year, a study using a different formula failed to help. In both cases, certain side effects were more common among those taking curcumin than placebo. Get the details in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> [Also see our Top Picks for dark chocolate bars in the Review.]
Clinical Update
1/09/2018
Curcumin for Knee Osteoarthritis
A type of curcumin that has been Approved for Quality by ConsumerLab.com was found to be modestly effective in treating symptoms of knee osteoarthritis in a recently published study. For details see the Osteoarthritis section of the Turmeric & Curcumin Supplements Review.
The same study found that combining curcumin with boswellia may be advantageous. Learn more about this and other popular supplements for joint health in the Joint Supplements Review >>
Clinical Update
1/16/2018
Curcumin for Depression
Can curcumin reduce symptoms of major depression in people who are already taking an antidepressant? See what a new study found in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> (Also see our Top Picks among products.)
Clinical Update
3/03/2015
Impressive Results with Curcumin in Colitis
A recent study in people with ulcerative colitis not responsive to traditional therapy found that the addition of curcumin to the regimen led to remission in more than 50% of patients. For details about the treatment, as well as our reviews of curcumin products, see the Turmeric/Curcumin Supplements Review >>
Clinical Update
1/24/2017
Questioning Curcumin
A critical analysis of curcumin by several experts indicates that it may not be as useful as many believe. For more, see the "What It Does" section of the Turmeric/Curcumin Supplements Review (which includes our tests of products) >>
Clinical Update
5/09/2017
Curcumin and Muscle Soreness
A recent study found a particular curcumin formula helped reduce soreness after exercise – although this has not been the case in other studies with different formulas. Find out what might help you in the "What It Does" section of the Turmeric/Curcumin Supplements Review >>
Clinical Update
11/02/2016
Curcumin for Allergy
A recent pilot study suggests that curcumin can significantly reduce symptoms of seasonal allergy. Get the details in the "What It Does" section of the Turmeric/Curcumin Supplements Review >>
Clinical Update
8/23/2017
Curcumin for Cancer?
Curcumin (from turmeric) has shown potentially beneficial biological effects with regard to cancer, although it has not been shown to cause clinical improvements. Nevertheless, a case was recently reported of a woman with myeloma who was stabilized with curcumin treatment. For details, see the "What It Does" section of the Turmeric/Curcumin Review >>
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Our Top Picks and Which 5 Failed Testing
CL Answer
Does taking curcumin and boswellia together increase their individual anti-inflammatory effects?
Find out if taking boswellia and curcumin together can increase their individual anti-inflammatory effects. ConsumerLab.com's answer explains.
CL Answer
Do any supplements help for ulcerative colitis?
Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.
CL Answer
Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?
Find out if supplements such as turmeric, fish oil, MSM (methylsulfonylmethane), SAMe (S-adenosyl-methionine), boswellia, ginger, white willow bark or arnica may, or may not, be helpful to people sensitive to NSAIDs.
CL Answer
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
CL Answer
Dietary Supplements and Herbs to Avoid When Breastfeeding
Find out which supplements should be avoided when breastfeeding, including medicinal herbs, soy, and flaxseed.
CL Answer
What supplements should I stop taking before surgery?
Info on which supplements to avoid before surgery due to increased risk of bleeding or interference with anesthesia.
News Release
February 24, 2022
Consumers Returned to Pre-Pandemic Supplement Usage in 2021, ConsumerLab Survey Reveals
White Plains, New York, February 24, 2022 —A survey of 8,049 people who use dietary supplements shows many supplements that declined in use in 2020 began bouncing back in 2021, such as magnesium (+2.4 percentage points), and CoQ10 (+2.7 pts).
Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead
CL Answer
What are the possible health benefits of fenugreek, and is it safe?
Fenugreek is promoted for boosting testosterone, increasing breastmilk production, lowering blood sugar, improving symptoms of polycystic ovary syndrome (PCOS), and other conditions, but does it work? Find out.
CL Answer
Can I take cholesterol-lowering statin medication with green tea?
Find out if green tea and the green tea compound EGCG interfere with the absorption of statin medications. ConsumerLab.com's answer explains.
Recalls & Warnings
January 12, 2021
FDA Warns Seller of Turmeric, Ashwagandha, Glucosamine, and More
On December 18, 2020, the FDA issued a warning letter to Reddy Naturals following a review of the company's website, which found statements made about the company's products Glycostasis, Glucosamine Curcumin, Turmeric 50, Turmeric Curcumin, Cetyl Curcumin, Ashwagandha, Huruli, ...
Recalls & Warnings
December 11, 2020
FDA Warns Seller of Curcumin and Cholesterol Supplements
On November 20, 2020, the FDA issued a warning letter to Natures Boost LLC following a review of the company's websites, which found statements made about the company's products Blood Boost Formula and Turmeric Curcumin to be drug claims.
CL Answer
My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.
Clinical Update
2/24/2023
Curcumin for Fatty Liver?
Does curcumin supplementation decrease cholesterol, triglycerides, or liver enzyme levels in people with non-alcoholic fatty liver disease (NAFLD)? Find out what a recent study showed in the What It Does section of our Turmeric and Curcumin Review. Also see our Top Picks among turmeric and curcumin supplements and spices.
Clinical Update
9/09/2024
Does Curcumin Interfere With MRIs?
Curcumin appeared to interfere with a magnetic resonance imaging (MRI) scan in a recently reported case. Learn more in the Concerns and Cautions section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks among turmeric and curcumin supplements and spices.
(Be aware that iron supplements may also interfere with MRI scans.)
Also see: Which vitamins and supplements should be stopped before getting blood work and laboratory tests?
Clinical Update
9/08/2023
Curcumin for Rheumatoid Arthritis?
Curcumin (from turmeric) may reduce symptoms of rheumatoid arthritis, but does it also reduce the frequency of flare-ups? See what a new study found in the Arthritis section of our Turmeric and Curcumin Supplements and Spices Review, which includes our Top Picks among products.
Also see: Which supplements help with arthritis?
Clinical Update
5/29/2024
Curcumin for Fatty Liver?
Did taking curcumin decrease liver fat in people with fatty liver disease? Find out what a recent study showed in the Fatty Liver section of our Turmeric and Curcumin Review. Also see our Top Picks among turmeric and curcumin supplements and spices.
Clinical Update
6/18/2024
Curcumin for Fatty Liver?
Does curcumin reduce liver inflammation and scarring in people with advanced fatty liver disease? Find out in the Fatty Liver Disease section of our Turmeric and Curcumin Supplements and Spices Review, which includes our Top Picks for curcumin and turmeric.
Clinical Update
1/14/2022
Curcumin for Knee Pain?
Can curcumin reduce knee pain and improve function in people with osteoarthritis? See what a recent study found in the Osteoarthritis section of our Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among turmeric and curcumin supplements.
Clinical Update
1/18/2022
Curcumin After Knee Surgery?
Does supplementing with curcumin after knee surgery reduce pain? See what a recent study found in the Osteoarthritis section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for curcumin and turmeric.
Clinical Update
3/27/2021
Curcumin & Prostate Cancer
Does curcumin benefit men undergoing chemotherapy for prostate cancer? See what a new study found in the What It Does section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
4/27/2021
Best Curcumin Formulation?
Which curcumin formula has the best bioavailability? Learn what a recent study found when comparing the popular formulas C3 Complex, Meriva, NovaSOL and Turmipure Gold. See the Absorption and Bioavailability section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among turmeric and curcumin products.
Clinical Update
5/01/2021
Curcumin and Gout
Can curcumin help people with gout by lowering blood levels of uric acid? Find out in the What It Does section of our Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for curcumin and turmeric.
Clinical Update
4/18/2020
Curcumin, Insulin & Alzheimer's?
Curcumin (from turmeric) may provide a modest benefit in people with insulin resistance and a new study suggests this may also reduce biomarkers of Alzheimer's disease. For details, see the What It Does section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for curcumin.
Clinical Update
9/03/2019
Curcumin and Crohn's Disease
Can curcumin help prevent recurrence in people with Crohn's disease? See what a recent study found, plus the evidence for curcumin in other conditions, in the What It Does section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for turmeric and curcumin supplements and spices.
Clinical Update
11/04/2018
Curcumin for Weight?
Can curcumin help you lose body weight? Find out what a new review concluded in the What It Does section of the Curcumin and Turmeric Supplements Review. (Also see our Top Picks for curcumin and turmeric supplements.)
Clinical Update
9/20/2016
Curcumin for Arthritis
An analysis of several clinical studies showed compelling evidence that curcumin (extracted from turmeric) can be effective in treating symptoms of osteoarthritis as well as rheumatoid arthritis. For details, including dosage, see the "What It Does" section of the Turmeric and Curcumin Supplements and Spices Review >>
Clinical Update
11/28/2017
Curcumin for Muscle Soreness
Another study was published recently suggesting that curcumin can reduce muscle soreness after exercise. However, the efficacy of curcumin for this use is questionable. For details, see the "What It Does" section of the Turmeric and Curcumin Supplements Review >> (Also see our Top Picks for turmeric and curcumin supplements.)
Clinical Update
3/27/2019
Curcumin Caution: May Lower Iron
If you’re low in iron, be careful with high doses of curcumin (turmeric extract). See the Concerns and Cautions section of the Curcumin and Turmeric Review. Also see our Top Picks among products.
Clinical Update
3/30/2019
Curcumin Interactions
Curcumin (from turmeric) can interact with a variety of medications, requiring discontinuation of curcumin or adjustment in medication dosage. The most recently reported interaction is with tamoxifen. For details, see the Concerns and Cautions section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among products.
Clinical Update
9/14/2018
Curcumin for Blood Sugar Control
Does taking curcumin with a meal help control blood sugar levels? See what a study found in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric supplements and spices.)
Clinical Update
9/18/2018
Curcumin Effect on Liver
Long-term use of curcumin may negatively affect the liver in a small percentage of people, according to a new report. Get the details in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for turmeric and curcumin.)
Clinical Update
6/09/2013
Curcumin May Help in Rheumatoid Arthritis
Curcumin (from turmeric) has a range of potential benefits. A recent study suggests it may also help with rheumatoid arthritis. The study used the same curcumin ingredient in some products tested for quality by ConsumerLab.com. Get the details, plus our quality ratings of curcumin supplements, in the updated Turmeric and Curcumin Supplements Review >>
Clinical Update
2/19/2012
Curcumin and Cancer
Curcumin (from turmeric) can suppress cancer cells in the laboratory, but how about in people? A new study in smokers showed that taking curcumin for a month significantly reduced the number of precancerous lesions that could lead to cancer of the colon. Find out more (including the dose used) in the Turmeric and Curcumin Supplements Review, which includes our recent product tests and reviews. More >>
Clinical Update
8/26/2012
Curcumin May Help Prevent Diabetes
Past research has suggested a potential role for curcumin (from turmeric) in blood sugar control. A recently published placebo-controlled study of curcumin given daily to people with prediabetes (those with blood sugar levels somewhat higher than normal) produced dramatic results in reducing the percentage of such individuals progressing to diabetes. Get the details in the latest update to ConsumerLab.com's Turmeric and Curcumin Supplements Review -- which includes quality ratings of products and other potential uses of curcumin. More >>
Clinical Update
3/22/2016
Curcumin for Muscle Soreness?
Some studies show that curcumin (from turmeric) can reduce muscle soreness after exercise. However, a more recent study failed to show this benefit. Get the details, including the dose and brand of curcumin used, in the "What It Does" section of the Turmeric and Curcumin Supplements & Spices Review >>
CL Answer
What are the health benefits of serrapeptase?
Serrapeptase is a proteolytic enzyme. Learn more about its health effects, including whether evidence supports its use for pain, inflammation, and heart health.
CL Answer
Which supplements can help treat anemia? Do any supplements cause a low red blood cell count?
Find out which vitamin and nutrient supplements can help prevent and treat anemia in people who are nutrient deficient and learn which supplements may cause low blood cell counts, especially when used in excess.
CL Answer
Can cocoa and chocolate cause kidney stones?
Find out if cocoa and chocolate can cause kidney stones, such as calcium oxalate kidney stones, the amount of oxalates found in cocoa powders and chocolate bars, and more. ConsumerLab.com's answer explains.
CL Answer
Do any supplements help with gum disease or periodontitis?
Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.
Recalls & Warnings
May 18, 2023
EarthLab, Inc. Warned for Promoting Green Tea, Curcumin, Elderberry & More to Treat Stroke, Cancer & Flu
On April 27, 2023, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals, following inspection of the company’s website which found statements about the company’s Green Tea Solid Extract, Curcuma Spp.
CL Answer
Are there supplements, foods, or beverages that I should avoid when taking clopidogrel (Plavix)?
Learn about supplement interactions with clopidogrel (Plavix). Supplements that may interact with this medication include cannabidiol (CBD), grapefruit, St. John's wort, ginkgo and others.
Product Review
Breast Enhancement Supplements Review Article
Do Breast Enhancement Supplements Really Work? See the Evidence For and Against Breast Enhancement Supplements.
CL Answer
Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.
CL Answer
Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?
Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.
CL Answer
Which supplements can cause diarrhea?
Can supplements like magnesium cause diarrhea? Find out which supplements may cause diarrhea, such as vitamin B12, curcumin, magnesium, vitamin C and fish oil.
CL Answer
Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
Learn more about bioavailability enhancers, including emulsifiers and enzyme inhibitors.
CL Answer
Can supplements, natural eye drops, or lifestyle modifications improve symptoms of dry eye?
Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit. Also, learn if drinking more water or using eye drops containing castor oil, N-acetylcarnosine or aloe can help with dry eye.
Product Review
Ginger Supplements, Chews & Spices Review
Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.
CL Answer
Which supplements should be taken with food?
Find out which supplements should be taken with food, including vitamins A, D, E, and K, fish oil, and CoQ10.
Clinical Update
7/05/2014
Curcumin Reduces Soreness After Exercise
Taking curcumin before and after intense exercise significantly reduced muscle soreness in young, healthy men, according to a new study. Get the details, including the brand and dose of curcumin used, plus our tests of curcumin supplements, in the updated Turmeric and Curcumin Supplements and Spices Review >>
Clinical Update
7/27/2014
Curcumin for Major Depression
A new study found that curcumin may provide some benefit in treating major depression, particularly for people with atypical depression. Details about the type and amount of curcumin used, other uses for curcumin, as well as our tests of products, are found in the updated Turmeric and Curcumin Supplement Review >>
Clinical Update
6/03/2014
Curcumin for Knee Osteoarthritis
A new study found that curcumin taken for six weeks significantly improved physical functioning and reduced pain among people with osteoarthritis of the knee. For details, as well as our tests of similar curcumin products, see the update to the Turmeric and Curcumin Supplements and Spices Review >>
Clinical Update
6/09/2018
Curcumin for Polyps?
Two studies tested whether or not curcumin can reduce polyps in the colons of people predisposed to getting them. See the results in the What It Does section of the Turmeric and Curcumin Supplements Review. Also see our Top Picks among curcumin supplements.
Clinical Update
8/12/2015
Curcumin May Reduce Muscle Pain After Exercise
A small study has reported that curcumin reduced muscle pain after exercise in young, healthy men. Get the details, including dosage, plus more about curcumin for other types pain and our tests of popular products, in the Turmeric and Curcumin Supplements Review >>
Clinical Update
8/25/2018
Curcumin Helps Ulcerative Colitis
Curcumin has been shown to reduce ulcerative colitis symptoms and maintain remission. Get the details, including dosage and forms, in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for curcumin supplements.)
Clinical Update
2/24/2023
Gallstones & Curcumin
Be aware that taking curcumin may increase the pain of passing a gallstone and, as seen in a recent case, increase the risk of gallbladder perforation. Get the details, and learn about other potential adverse effects of curcumin in the Concerns and Cautions section of our Turmeric and Curcumin Supplements Review.
Also see how coffee and supplements affect gallstones.
Clinical Update
10/07/2024
Curcumin for Diabetes?
Does taking curcumin improve blood sugar and insulin in people with type 2 diabetes? Find out what a recent study showed in the Insulin Resistance and Diabetes section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks for curcumin supplements.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
10/24/2023
Curcumin for Colds?
Can supplementing with curcumin reduce cold symptoms? Find out what a recent study found in the Other Uses section of our Curcumin Supplements Review, which includes our Top Picks for curcumin and turmeric.
CL Answer
Conolidine: Evidence for Pain Relief, Safety, and CONOCB2™ Products Explained
Find out if conolidine, the main ingredient in CONOCB2 Blend, offers natural pain relief without the side effects of opioids. Also learn about the top conolidine products available today.
CL Answer
Which supplements help with arthritis?
Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.
Clinical Update
12/09/2022
Curcumin Effect on Iron Absorption
Curcumin may reduce the absorption of iron, and this interaction seems to depend on timing. Get the details in the Concerns and Cautions section of our Turmeric and Curcumin Supplements and Spices Review.
Clinical Update
10/14/2022
Curcumin With Fenugreek?
Fenugreek is being added to some curcumin supplements. Find out why in the Absorption and Bioavailability section of our Turmeric and Curcumin Supplements and Spices Review.
Clinical Update
11/18/2022
Curcumin and Allergy Tests
Does taking curcumin interfere with a test to detect allergies? Find out in the Concerns and Cautions section of our Curcumin and Turmeric Supplements & Spices Review.
Also, see our article about supplements that may interfere with laboratory tests.
Clinical Update
5/24/2022
Curcumin for Parkinson's?
Does adding curcumin to standard treatment for Parkinson’s disease improve symptoms and the quality of life? Find out what a recent study showed in the Other Uses section of our Turmeric and Curcumin Supplements and Spices Review.
Clinical Update
6/14/2022
Curcumin for COVID?
Does curcumin supplementation reduce symptoms such as cough, sore throat, and shortness of breath in people with mild to moderate COVID-19? See what a recently published study found in the What It Does section of our Turmeric and Curcumin Supplements and Spices Review.
Also see our article about other supplements proposed to help prevent or treat COVID-19.
Clinical Update
7/06/2022
Curcumin for Fatty Liver?
Does supplementing with curcumin decrease liver fat in people with fatty liver? See what a recent study found in the What It Does section of the Turmeric and Curcumin Supplements and Spices Review.
Also see our answer to the question: Do any supplements help with fatty liver disease? Are some diets more beneficial than others?
Clinical Update
12/22/2018
Curcumin for Muscle Soreness
Does curcumin reduce muscle inflammation or soreness from intense exercise? Find out what recent studies have shown in the Muscle Soreness and Recovery After Exercise section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks among products.)
Clinical Update
10/04/2016
Curcumin for Depression & Anxiety
Curcumin reduced symptoms of depression and anxiety in people with major depression, at a lower dose than previously used, according to a new study. Get the details in the "What It Does" section of the Turmeric and Curcumin Supplements and Spices Review >>
Clinical Update
8/01/2024
Taking Curcumin With a Statin?
Is there a problem taking curcumin (from turmeric) when you are on a statin such as Crestor (rosuvastatin)? Find out in our article about taking supplements with statins.
CL Answer
How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
Learn about the cost of supplements. Info including the best pricing on fish oil, CoQ10, vitamins C & D, magnesium, and calcium.
Recalls & Warnings
April 08, 2017
Woman Dies After Receiving Turmeric Infusion
On March 16, 2017, a San Diego, California woman died days after receiving an IV infusion of turmeric. Jade Erick, age 30, suffered a brain injury and cardiac arrest after receiving the first 5 mL of a 250 mL infusion of turmeric in the office of a naturopathic doctor.
Recalls & Warnings
October 04, 2016
Turmeric Spice Recalled Due to Elevated Lead Levels
On September 26, 2016, Spices USA Inc. issued a recall of 772 bags of TASTY SAWA GROUND TURMERIC because it contains elevated levels of lead.
CL Answer
I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.
Product Review
Selenium Supplements Review
Choose the Best Selenium Supplement. Find Out If You Need Selenium and Which Supplement Is Our Top Pick.
Product Review
Elderberry Supplements Review
Find the Best Elderberry Supplement. Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks.
CL Answer
Which supplements help to improve energy and decrease fatigue?
Energy supplements and vitamins - Some can help increase energy and reduce fatigue, including CoQ10, curcumin/turmeric, cocoa, and B vitamins.
CL Answer
What is Protandim and does it really work?
What is Protandim and does it really work? Can Protandim reduce oxidative stress? ConsumerLab's answers discusses Protandim's effectiveness, reviews and studies.
CL Answer
How do I choose the best CoQ10 supplement?
Looking to choose the best CoQ10 brand supplement? Understand which CoQ10 you are buying, differences in dose, absorption, quality and more. ConsumerLab explores this topic.
Recalls & Warnings
April 30, 2021
FDA Warns Seller of Fish Oil, Apple Cider Vinegar, Collagen, and Elderberry Supplements
On April 13, 2021, the FDA issued a warning letter to Orphic Nutrition following a review of the company's websites, which found statements made about the products Apple Cider Vinegar Capsules, Ashwagandha Capsules, Garcinia Cambogia Capsules, Premium Collagen Peptides Capsules, Elderberry ...
Product Review
Vitamin K Supplements Review (Including Calcium, Vitamin D, Magnesium & Boron)
Find Out If It's Worth Taking Vitamin K and Which Products Are Best
Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands
Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes
Product Review
Lavender and Tea Tree Essential Oils Review
Oils Tested for Authenticity and Purity
Product Review
Cinnamon Supplements and Spices Review
CAUTION: Some Cinnamon Products High in Toxin. See Which Passed or Failed and our Top Picks!
Product Review
Ginkgo (Ginkgo Biloba) Supplements Review
Choose the Best Ginkgo Biloba Supplement. Finding Real Ginkgo Isn't Easy — 60% Fail ConsumerLab's Tests of Quality.
Product Review
Joint Health Supplements for Pets Review (Glucosamine, Chondroitin, MSM & Boswellia)
See Which Pet Supplements for Joint Health Passed Our Tests and Which Didn't!
CL Answer
Which supplements are best for seasonal allergies?
Find out which supplements are best for allergies and can help reduce seasonal allergy symptoms, including bromelain, curcumin, vitamin D, and CLA.
News Release
August 27, 2021
ConsumerLab Tests Reveal Best Joint Health Supplements for People and Pets
White Plains, New York, August 27, 2021 — Joint health supplements with ingredients such as glucosamine, chondroitin, MSM, boswellia, collagen and turmeric are often promoted to relieve joint pain or slow the progression of osteoarthritis.
Recalls & Warnings
August 08, 2016
Turmeric Spice Recall Expanded to Include More Brands
On August 5, 2016, Gel Spice, Inc. expanded its recall of one lot of Fresh Finds Ground Turmeric Powder to include other turmeric spices sold under different brand names due to elevated levels of lead.
News Release
February 26, 2021
COVID Changed Supplement Popularity in 2020, ConsumerLab Survey Reveals
White Plains, New York, February 26, 2021 — A survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19.
CL Answer
Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.
CL Answer
Can drinking coffee prevent gallstones? Can supplements help?
Information about the impact coffee has on gallstone disease. Plus, supplements that have been proposed to help with gallstone pain.
CL Answer
How are you staying healthy during the coronavirus pandemic?
Tips for staying healthy during the coronavirus (COVID-19) pandemic. Tips from ConsumerLab members for maintaining physical health, mental health and social well-being during COVID-19.
CL Answer
Which supplements and foods can help lower or control blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
CL Answer
Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.
CL Answer
Can drinking coffee weaken bones or make arthritis worse?
Learn about the effects of coffee intake on bone mineral density, risk of osteoporosis, and risk of fracture. Also, find out if drinking coffee might increase the risk of arthritis or worsen symptoms.
CL Answer
Does a USDA Organic seal guarantee that a supplement or natural product has been tested for toxic heavy metals such as lead, cadmium or arsenic?
Find out what the USDA Organic seal on dietary supplements means and whether certified organic supplements and natural products are tested for toxic heavy metals such as lead, cadmium, and arsenic.
Recalls & Warnings
August 05, 2016
More Turmeric Spice Recalled
On August 5, 2016, JM Exotic Foods, Inc. issued a recall of ground turmeric because it was found to contain elevated levels of lead.
Recalls & Warnings
May 02, 2016
The Republic of Tea Recalls Turmeric/Ginger Teas Due to Salmonella Risk
On April 29, 2016 The Republic of Tea issued a recall of several Organic Turmeric Ginger teas because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
April 27, 2023
Ground Cumin Recalled Due to Salmonella Risk
On April 20, 2023, Lipari Foods issued a recall of one lot of Lipari branded Ground Cumin Tubs due to the potential presence of Salmonella.
CL Answer
Do any supplements or foods benefit people with Crohn's disease? Are there any supplements that should be avoided?
Find out the most common vitamin and mineral deficiencies in people with Crohn's disease, including iron, B6, B12, vitamin D, zinc and others, plus evidence for N-acetyl-glucosamine (NAG), fish oil, and curcumin.
CL Answer
Do any supplements, like Nervive, help with nerve pain, like sciatica, diabetic neuropathy or postherpetic neuralgia?
Find out which supplements for nerve pain, including fish oil and alpha-lipoic acid, are effective for sciatica, diabetic neuropathy, or postherpetic neuralgia.
News Release
October 21, 2020
Best Apple Cider Vinegar? Quality of Bottled Apple Cider Vinegars and Supplements Varies, According to ConsumerLab
White Plains, New York, October 21, 2020 — Apple cider vinegar is often promoted for lowering blood sugar levels, weight loss, "balancing" pH, and improving digestion.
CL Answer
Do supplements help with Parkinson’s disease treatment or prevention?
Learn what has been shown with vitamins D and E, niacin, CoQ10, melatonin, creatine, SAMe, NAC, valerian, CoQ10, and CBD, as well as with coffee and the Mediterranean and MIND diets for treating and/or preventing Parkinson's disease.
CL Answer
Which supplements can help with indigestion and/or heartburn?
Information on supplements for heartburn that can help relieve gastrointestinal symptoms - heartburn, indigestion and acid reflux.
CL Answer
Risks of Too Many Vitamins & Supplements
Taking too many vitamin supplements -- or taking too much of a particular supplement -- can have short and long-term adverse effects.
CL Answer
I've heard it's best to take fat-soluble supplements, like CoQ10, curcumin, and vitamin D, with fats or oils to increase absorption. Would taking them with a fish oil capsule be enough?
Find out how best to take fat-soluble supplements including CoQ10, curcumin, and vitamins A, D, E, and K, to maximize their absorption.
CL Answer
7 Red Flags to Watch Out For When Buying Vitamins & Supplements
When it comes to buying vitamins and supplements, it's buyer beware. ConsumerLab explains seven red flags to look out for on labels when choosing and buying vitamins or supplements, including claims of "FDA Approved" laboratories, what to look for in the ingredient list, and more.
News Release
February 29, 2020
Collagen and Magnesium Rise in Popularity, as Fish Oil and Curcumin Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 29, 2020 — A recent survey of 9,782 people who use dietary supplements shows that collagen (+ 4.1 percentage points), magnesium (+ 2.3 pts) and CBD (+ 2.
Recalls & Warnings
July 29, 2016
Ground Turmeric Spice Recalled Due to Lead Contamination
On July 28, 2016, Gel Spice, Inc. issued a voluntary recall one lot of Fresh Finds Ground Turmeric Powder because it was found to contain elevated levels of lead.
CL Answer
Which supplements can help to lower blood pressure?
Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
CL Answer
Which vitamins and minerals should be taken together or separately?
Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.
News Release
September 27, 2019
Best Turmeric and Curcumin Supplements and Spices Identified by ConsumerLab
White Plains, New York, September 27, 2019 — Turmeric and curcumin (the major compound in turmeric) are among the most popular supplements, promoted to reduce inflammation and help with conditions such as arthritis as well as indigestion and depression.
Recalls & Warnings
April 24, 2024
Organic Basil Sold at Trader Joe’s & Other Markets Recalled Due to Salmonella Risk
On April 18, 2024, Infinite Herbs, LLC issued a recall of certain packages of Infinite Herbs and Melissa’s brand fresh organic basil due to the potential presence of Salmonella.
News Release
February 24, 2019
CBD and Collagen Rise in Popularity, as Probiotics and Coconut Oil Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 24, 2019 — A recent survey of 10,931 people who use dietary supplements shows that CBD oil (+6.3 percentage points), collagen (+3.6 pts), and bone broth (+2.
Recalls & Warnings
December 29, 2022
EarthLab, Inc. Warned for Promoting Curcumin, Elderberry to Treat Pain & Flu
On November 10, 2022, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals following inspection of the company’s website which found statements about the company’s products to be drug claims because they suggest the products can prevent or treat disease.
CL Answer
When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.
Recalls & Warnings
May 01, 2024
FDA Warns Consumers Not to Use Ossos-Sans Supplement for Joints
On April 17, 2024, the FDA warned consumers not to purchase or use Ossos-Sans, a supplement promoted to treat osteoarthritis, osteoporosis, and other conditions, because it contains undeclared drugs, including diclofenac and methocarbamol.
News Release
February 24, 2018
Magnesium, Curcumin, and Apple Cider Vinegar Rise in Popularity, While Probiotics Dip and Calcium Continues to Decline in Latest ConsumerLab.com Survey of Supplement Users
White Plains, New York, February 24, 2018 — A recent survey of 11,446 people who use dietary supplements shows that magnesium and curcumin and turmeric have leapt into the top 5 most popular dietary supplements, just behind vitamin D, fish oil and CoQ10.
Recalls & Warnings
April 25, 2020
Injectable Curcumin, CBD Are Not Safe, Warns FDA
On April 9, 2020, the FDA issued a warning letter to BIOTA Biosciences LLC following a review of the company's website, which found statements made about some of the company's, products, including Canabidiol (CBD) Complex, Cannabidiol+Curcumin, and Curcumin Complex to be ...
Recalls & Warnings
December 09, 2021
FDA Warns Seller of Curcumin, Lion's Mane, Quercetin & More
On November 9, 2021, the FDA issued a warning letter to Synaptent, LLC because it found statements on the company's website about its products, including Berberine HCL, Curcumin, Lion's Man, Milk Thistle, Quercetin, Boswellia Serrata Extract, and Garlic Extract to be ...
CL Answer
Do any supplements, foods, or oils help reduce muscle pain, muscle cramps, or nighttime leg cramps?
Find out which supplements, and topical products such as magnesium creams, can help reduce muscle pain, leg cramps, and nighttime leg cramps, and which may worsen muscle cramps. Also, learn about vitamin and mineral deficiencies and common medications that can cause muscle cramps and nocturnal leg cramps.
Clinical Update
10/18/2014
Curcumin for Cognition and Fatigue
A study found that taking curcumin daily improved certain measures of cognitive function and fatigue in healthy men and women ages 60 to 85. Get the details, as well as our reviews of curcumin products, in the updated Curcumin Supplements Review >>
Clinical Update
5/02/2020
Does Fish Oil or Curcumin Increase Brain Blood Flow?
A study among people ages 50 to 80 evaluated the effects of fish oil and curcumin on blood flow to the brain and on other aspects of cardiovascular function. See the results in the "What It Does" section of the Fish Oil Supplements Review and the Curcumin Supplements Review. Also see our Top Picks for fish oil and curcumin.
Clinical Update
10/30/2021
Curcumin Top Pick
Based on growing evidence showing greater bioavailability with a particular formulation of curcumin, we have selected a Top Pick among bioavailability-enhanced curcumin products.
Clinical Update
9/15/2023
Curcumin for Indigestion?
Does curcumin reduce symptoms of indigestion and does it provide additional benefit if taken with the proton-pump inhibitor omeprazole? Find out what a recent study found in the Gastrointestinal Uses section of our Curcumin Supplements Review, which includes our Top Picks for curcumin.
Clinical Update
2/10/2023
Fish Oil for Boosting Curcumin?
Since the absorption of curcumin is increased when taken with a fatty meal, would taking it with fish oil have the same benefit? Find out in our CL Answer about the best way to take curcumin.
Recalls & Warnings
March 31, 2020
Bulletproof Warned for Manufacturing Violations
On March 20, 2020, the FDA issued a warning letter to Bulletproof 360, Inc.
Recalls & Warnings
February 06, 2016
Seller of Turmeric, Milk Thistle and More Warned for Manufacturing Violations, Drug Claims
On January 15, 2016, the FDA issued a warning letter to Terra Firma Botanicals, Inc.
Recalls & Warnings
October 17, 2013
Turmeric Spice Powder Recalled Due To High Lead Levels
On October 3, 2013, the OnTime Distribution Inc. issued a voluntary recall of PRAN brand spice powder Turmeric because it was found to contain high levels of lead.
Recalls & Warnings
October 17, 2017
Organic Tarragon Spice Recalled Due to Salmonella Risk
On October 16, 2017, Organic Spices, Inc. dba Spicely Organics issued a recall of its Organic Tarragon because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
November 28, 2022
Seller of Joint Health, Collagen Protein and More Warned for Drug Claims
On November 14, 2022, the FDA issued a warning letter to The Truth Company, LLC (parent company of Kinobody, LLC and UMZU, LLC) following inspection of the company’s websites which found statements about its Betaine, Immune, Redwood, Sensolin, Thyrite, zuRelief, Kino Aminos, Kino Collagen ...
News Release
April 04, 2017
ConsumerLab.com Reveals Best and Worst Turmeric and Curcumin Supplements & Spices -- 31% Fail ConsumerLab.com Tests of Quality
White Plains, New York, April 4, 2017 — Turmeric and its key compound, curcumin, may be help reduce symptoms of inflammation in rheumatoid arthritis and osteoarthritis and may be helpful in treating depression, diabetes, and indigestion.
Recalls & Warnings
February 22, 2024
Pacific BioLogic Co. Warned by FDA for Manufacturing Violations
On December 21, 2023, the FDA issued a Warning Letter to Curtis Jacquot, dba Pacific BioLogic Co.
Recalls & Warnings
May 23, 2020
BIOTA Biosciences Recalls Injectable CBD and Curcumin Products
On May 20, 2020, BIOTA Biosciences LLC issued a recall of five lots of three injectable products because they were marketed without FDA approval.
Recalls & Warnings
January 20, 2021
FDA Warns Seller of Vitamin D, Curcumin and CoQ10 Promoted for Treating COVID-19
On December 28, 2020, the FDA issued a warning letter to Smarter Nutrition, Inc. following a review of the company's website, which found statements made about the company's products Smarter Curcumin, Smarter Ubiquinol, and Smarter Vitamin D3 to be drug claims.
News Release
February 24, 2017
Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest ConsumerLab.com Survey
White Plains, New York, February 24, 2017 — A recent survey of over 9,505 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, probiotics, and multivitamins.
News Release
February 24, 2016
Vitamin D Supplements Jump to Top Spot in Popularity, Surpassing Fish Oil, as Probiotics Rise to #5 Spot Behind CoQ10 and Multivitamins in ConsumerLab.com Survey
White Plains, New York, February 25, 2016 — A recent survey of over 11,000 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, multivitamins, and probiotics.
Recalls & Warnings
June 16, 2020
FDA Warns Four Companies for Unsafe "Homeopathic" Injectables
On June 16, 2020, the FDA issued warning letters to four manufacturers of unapproved injectable drugs labeled as homeopathic.
News Release
December 16, 2013
What's Really in Turmeric Supplements and Spices? You May Not Want to Know -- 33% of Turmeric/Curcumin Supplements Fail ConsumerLab.com's Review; Filth Found in Spices
White Plains, New York, December 16, 2013 — Supplements containing the herb turmeric or its key constituent, curcumin, are popular treatments for inflammatory diseases. ConsumerLab.
News Release
February 16, 2011
Some turmeric and curcumin supplements fail quality review -- ConsumerLab.com finds 20% of turmeric supplements selected for review deliver less than 15% of promised compounds
WHITE PLAINS, NEW YORK — FEBRUARY 16, 2011 — Supplements containing the herb turmeric or its key compound, curcumin, have become popular in the U.S. ConsumerLab.com cautioned today that two out of ten turmeric products recently selected for quality testing were found to provide only 7.
Clinical Update
11/18/2024
Supplement for Hand Osteoarthritis?
Does taking a combination of Boswellia extract, curcumin, MSM, and pine bark extract reduce pain or improve function and quality of life among people with hand osteoarthritis? Find out what a recent study showed in the Boswellia section of our Joint Health Supplements Review, which includes our Top Pick for boswellia.
Also see: Which supplements help with arthritis?
Recalls & Warnings
November 16, 2023
Toxic Levels of Lead Found in Cinnamon Applesauce
WanaBana, Schnucks, and Weis apple cinnamon fruit puree pouches have been recalled after being linked, as of December 5, 2023, to 64 reports of illness, including four children with potential lead toxicity.
Recalls & Warnings
July 10, 2020
Sundial Herbal Recalls More Than Sixty Products Including Turmeric, Cinnamon & Tea
On July 9, 2020, Sundial Herbal Products issued a recall of more than 60 herbal products because they were misbranded and/ or promoted with drug claims. Their labels contain drug claims stating the products can diagnose, cure, mitigate, treat, or prevent disease.
Recalls & Warnings
August 20, 2019
Seller of Liposomal Curcumin, Vitamin C & Melatonin Warned for Manufacturing Violations
On August 6, 2019, the FDA issued a warning letter to Let's Talk Health, Inc.
Recalls & Warnings
April 10, 2024
Powerade Variety Packs Recalled
On February 27, 2024, the Coca-Cola Company issued a recall of various lots of Powerade Zero Fruit Punch, Powerade Zero Mixed Berry, and Powerade Mountain Berry Blast electrolyte drinks because the products may contain a foreign metal object, namely a stainless-steel ring.
Recalls & Warnings
February 17, 2018
FDA Reports Prevalence of Salmonella In Retail Spices
An FDA study of 11 different types of spices sold in retail stores throughout the U.S. found the prevalence of Salmonella contamination to be less than 1%. Overall, this was significantly lower than when the same types of spices were tested at the time of import to the U.S.
Recalls & Warnings
October 06, 2020
FDA Warns Seller of Red Yeast Rice, Vitamin D, Blood Pressure Supplements, and More
On August 28, 2020, the FDA issued a warning letter to Dr. Sam Robbins, Inc.
Recalls & Warnings
October 09, 2023
Organifi Settles Charges of Unsupported Claims
Organifi, LLC has agreed to pay $150,000 in civil penalties and $50,000 in investigative costs as restitution to settle charges that the company made unsupported claims that its Gold, Pure, Green Juice, and Red Juice products could balance hormone and cortisol levels, regulate the ...
Recalls & Warnings
March 02, 2022
Seller of Holistic Tea Warned by FDA
On February 17, 2022, the FDA issued a warning letter to Vital Health & Wellness following an inspection of the company’s website, which found statements made about the company’s product, Dr. Miller’s Holistic Premium Holy Tea, to be drug claims.
Recalls & Warnings
August 25, 2022
Oregon’s Wild Harvest Warned by FDA for Manufacturing Violations
On July 8, 2022, the FDA issued a warning letter to Oregon’s Wild Harvest, Inc.
Recalls & Warnings
November 28, 2014
Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims
On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.
Recalls & Warnings
April 27, 2023
Seller of Magtein, Veggie Caps, & More Warned for Drug Claims, Manufacturing Violations
On March 8, 2023, the FDA issued a warning letter to Spartan Enterprises Inc., dba Watershed Wellness Center, after a review of the company’s website found statements about its Dr. Bob’s Naturals Spirulina, Dr. Bob’s Naturals Magtein, Dr.
Recalls & Warnings
December 15, 2022
Beware of Supplements, Homeopathic Products Promoted to Treat Flu, Says FDA
On December 13, 2022, the FDA warned consumers to beware of supplements and homeopathic products, as well as nasal sprays, sanitizers and other products that promise to prevent or treat the flu.
News Release
February 06, 2008
Consumers warned of lead in some turmeric supplements — Highest lead level ever reported by ConsumerLab.com; Lack of active compound also a problem
WHITE PLAINS, NEW YORK — FEBRUARY 6, 2008 — Turmeric supplements have become popular in recent years but ConsumerLab.com warned today that some products contain high amounts of lead. Recent tests found a popular brand to contain 18.
News Release
January 08, 2008
ConsumerLab.com finds most potassium supplements meet quality standards, but one with only 18% of ingredient — Results for 12 potassium supplements in new review
WHITE PLAINS, NEW YORK — JANUARY 8, 2008 — A new report on the quality of potassium supplements was released by ConsumerLab.com today. Tests showed one product to contain only 18% of the claimed amount of this essential mineral.
Recalls & Warnings
December 07, 2012
Antioxidant Protandim Supplement Recalled Due To Risk of Metal Fragments
On December 5, 2012, LifeVantage Corporation issued a voluntary recall of dietary supplement Protandim, the Nrf2 Synergizer, due to the potential for contamination with small metal fragments. The recall includes Protandim products sold in the U.S. and Japan between July and November 2012.
Recalls & Warnings
September 10, 2012
Maker of Concussion Recovery Supplement Warned For Making Drug Claims
On August 28, 2012, the FDA issued a warning letter to Trinity Sports Group, Inc. after a review of the company's websites found statements about Neuro Impact Concussion Response Formula constituted drug claims not permitted on supplements.
Recalls & Warnings
September 19, 2018
Seller of Curcumin, Garcinia, Glucosamine and More Warned for Manufacturing Violations
On September 7, 2018, the FDA issued a warning letter to Best Nutrition Products, Inc.
Recalls & Warnings
December 20, 2017
Seller of Supplements for Pain and Allergies Warned for Manufacturing Violations, Drug Claims
On December 13, 2017, the FDA issued a warning letter to GnuPharma Corporation, following a facility inspection which found a number of the company's products, including Relief capsules, Foundation capsules, Aller-geez capsules, Fit capsules, Aller-Geez Tea, Foundation herbal tea and ...
Recalls & Warnings
February 25, 2017
Radio "Infomercials" for Cognitive and Joint Health Supplements Deceived Consumers, Says FTC
On February 22, 2017, the Federal Trade Commission and the Maine Office of the Attorney General announced a complaint the marketers of CogniPrin and FlexiPrin, charging that they made misleading claims about the supplements in radio infomercials deceptively formatted as talk shows.
News Release
December 10, 2007
ConsumerLab.com finds improvement in quality of omega-3 and -6 supplements — Results for 22 products made from evening primrose, flaxseed, borage and black currant oils
WHITE PLAINS, NEW YORK — DECEMBER 10, 2007 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Two products were slightly low in one fatty acid, but this is an improvement over results from ConsumerLab.
News Release
November 13, 2007
ConsumerLab.com finds some "red wine" supplements deliver less resveratrol than expected; Wide range in dose and price
WHITE PLAINS, NEW YORK — NOVEMBER 13, 2007 — ConsumerLab.com reported today that its tests of supplements containing resveratrol — a compound promoted as "life-extending" — revealed two products providing only 27% and 58% of their listed amounts of resveratrol.
News Release
October 30, 2007
Recently tested magnesium supplements free of lead, but one product missing most of its ingredient according to ConsumerLab.com — First Major Product Review of Potential "Life-Extending" Ingredient
WHITE PLAINS, NEW YORK — OCTOBER 30, 2007 — ConsumerLab.com reported today that its tests of magnesium supplements revealed one product to contain only 46.4% of its claimed amount of the essential mineral, despite boasting a "GMP" (Good Manufacturing Practices) seal on its label.
News Release
October 12, 2007
ConsumerLab.com finds generic antidepressant behaves differently from original drug. May explain complaints by patients. — Generic drug equality questioned
WHITE PLAINS, NEW YORK AND DURHAM, NORTH CARLOLINA — OCTOBER 12, 2007 — ConsumerLab.
Recalls & Warnings
December 21, 2016
Seller of 5-HTP, Chromium, Curcumin and More Warned for Drug Claims
On December 1, 2016, the FDA issued a warning letter to Aurora Health and Nutrition following a review of the company's website, which found statements made about its products, 5-HTP, Alpha Lipoic Acid, the Argentyn 23 product line, Artecin 90 Vegetarian Capsules, ...
Recalls & Warnings
June 02, 2022
Walmart Inc. Recalls Joint Supplements With Omega-3, Glucosamine & Curcumin
On May 28, 2022, Walmart Inc. issued a voluntary recall of all lots of Artri Ajo King Joint Supplements after FDA laboratory analysis found the presence of undeclared diclofenac.
Recalls & Warnings
August 05, 2017
Children's Ayurvedic Medicine Formula Contains High Levels of Lead
On August 4, 2017, the FDA warned parents and caregivers not to use Balguti Kesaria Ayurvedic Medicine due to the risk of lead poisoning.
Recalls & Warnings
November 29, 2016
Bentonite Clay Promoted for "Detoxification" Contaminated With Lead
On June 17, 2016, the FDA issued a warning letter to Best Bentonite, following a facility inspection and laboratory analysis of product sample which found the company's Best Bentonite to be contaminated with lead.
Recalls & Warnings
November 08, 2016
Chinese Herbal Supplement With Lead Contamination Recalled
On November 7, 2016, Ton Shen Health issued a recall its Life Rising brand of Side Head Regulator TT tablets because they were found to contain elevated levels of lead for children under the age of 18.
Recalls & Warnings
May 24, 2016
Seller of Joint Health, Omega-3 Supplements & More Warned for Manufacturing Violations, Drug Claims
On May 13, 2016, the FDA issued a warning letter to Rocky Fork Formulas, Inc.
Recalls & Warnings
September 10, 2012
Maker of Omega-3, Bone and Brain and Supplements Warned For Drug Claims
On August 27, 2012, the FDA issued a warning letter to PruTect Rx indicating that statements on the company's websites about Omega3PruTect, NeuroPruTect, VitaminD3PruTect and OsteoPruTect constitute drug claims, although the products are not approved drugs.
Recalls & Warnings
August 16, 2016
Chinese Herbal Supplement Recalled Due to Lead Contamination
On August 11, 2016, Ton Shen Health issued a recall its DHZC-2 tablets due to potential contamination with elevated levels of lead.
Recalls & Warnings
August 31, 2016
Recall of Dangerous Chinese Herbal Supplement Expanded
On August 30, 2016, Ton Shen Health expanded its initial recall of DHZC-2 tablets to include all lots purchased before August 24, 2016, due to potential contamination with elevated levels of lead.
Recalls & Warnings
November 02, 2012
Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims
On October 15, 2012, the FDA issued a warning letter to Ortho Molecular Products, Inc. for making drug claims about the following dietary supplements: Candicid Forte, Inflamma-bLOX, Lipitrol, Mucosagen, Prostatrol Forte, Resvoxitrol, Paracid Forte, VascuPak HTN and Lithium Orotate.
Recalls & Warnings
December 08, 2015
Non-Decolorized Aloe, Goldenseal Root Added to Prop 65 List of Cancer-Causing Chemicals
On December 4, 2015, California's Office of Environmental Health Hazard Assessment (OEHHA) added non-decolorized whole leaf extract of aloe vera and goldenseal root powder to the state's list of chemicals known to cause cancer - part of the Safe Drinking Water and Toxic Enforcement ...
Recalls & Warnings
May 10, 2013
Maker of Concentration, Pain, Immune, Cholesterol Supplements Warned For Drug Claims
On April 24, 2013, the FDA issued a warning letter to EuroPharma Co., Inc., following a review of the company's website which found statements made about Calm Kids, CholestCaps, CuraMed 375 mg, CuraMed 750 mg, Curamin, Mental Advantage, Tri-Iodine, and Viragen to be drug claims.
Recalls & Warnings
June 07, 2017
FDA Warns Seller of Probiotic and Omega-3 Supplements for Manufacturing Violations
On May 22, 2017, the FDA issued a warning letter to BioTE Medical, LLC following a facility inspection which found its products, including BioTE DIM, BiotTE Probiotic, BioTE Iodine Plus, and BioTE Omega 3 to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
June 06, 2017
Seller of Vision, Cholesterol, Prostate Supplements and More Warned for Drug Claims
On May 25, 2017, the FDA issued a warning letter to Herbal Doctor Remedies following a facility inspection and review of the company's websites, www.herb-doc.com, www.ChinaSecretMed.com and www.theraherb.
Recalls & Warnings
May 17, 2013
Maker of Cardio, Arthritis, Cleanse Supplements and More Warned For Manufacturing Violations and Drug Claims
On May 8, 2013, the FDA issued a warning letter to Entrenet Nutritionals, Inc.
Recalls & Warnings
August 16, 2014
McCormick Ground Oregano Recalled Due to Salmonella Risk
On August 13, 2014, McCormick & Company, Incorporated issued a voluntary recall of McCormick Ground Oregano (0.75 oz bottle) because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
January 21, 2017
Seller of "Cancer Kits," Alpha Lipoic Acid Supplements and More Warned for Drug Claims
On December 22, 2016, the FDA issued a warning letter to Northern Health Products, Inc. following a review of the company's websites, www.northernhealthproducts.com and www.petdca.
Recalls & Warnings
January 17, 2017
Seller of Heart, Senior and Teen Supplements Warned For Drug Claims
On December 7, 2016, the FDA issued a warning letter to Esteem Products Ltd following a review of the company's website, which found statements made about its products, Cardio Life, Total Man, Total Woman, Senior Total Man, Senior Total Woman , and Total Teen to be drug ...
Recalls & Warnings
March 08, 2016
Maker of Calcium and Vitamin C Supplements Warned for Manufacturing Violations
On September 17, 2015, the FDA issued a warning letter to Raphah, Inc.
Recalls & Warnings
October 25, 2016
Seller of Liquid Aloe & Mineral Supplement Warned for Manufacturing Violations
On August 10, 2016, the FDA issued a warning letter to Perfect Source Natural Products Inc.
Recalls & Warnings
September 01, 2020
Custom Nutraceuticals, LLC Warned for Manufacturing Violations
On August 6, 2020, the FDA issued a warning letter to Custom Nutraceuticals, LLC, following a facility inspection which found the company's products, including Thermal Revolution Black, Anabolic Blackout Raspberry Lemonade, Militia Re-COMP, and Rhino Rampage Wildberry to be ...
Recalls & Warnings
August 14, 2020
The Green Herb and New Genesis Health Warned for Manufacturing Violations
On July 31, 2019, the FDA issued a warning letter to Davis Ventures, Inc.
Recalls & Warnings
June 05, 2020
LifeHealth Science Warned for Manufacturing Violations
On May 15, 2020, the FDA issued a warning letter to LifeHealth Science, which found the company's ORËÁ product to be adulterated because it was prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.
Recalls & Warnings
October 08, 2016
Seller of Cell Power and Super Silica Warned for Manufacturing Violations, Misbranding
On September 23, 2016, the FDA issued a warning letter to SSO, Inc.
Recalls & Warnings
January 07, 2017
Seller of Protein and Workout Supplements Warned for Manufacturing Violations, Label Errors
On December 22, 2016, the FDA issued a warning letter to Rock Solid Nutrition, LLC, following a facility inspection which found the company's products, including Whey Isolate (Cinnabun flavor), Pre-Pump (Massive Mango flavor) and Strength Test to be adulterated because ...
Recalls & Warnings
November 29, 2016
Seller of Mineral, Joint Supplements and More Warned for Manufacturing Violations, Drug Claims
On July 1, 2016, the FDA issued a warning letter to BioGenyx-Basic Reset, following a facility inspection which found the company's products, including Ionyte, Aqualyte, Beta Factor, Bee Gold and Primo Java to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
August 31, 2016
Seller of Joint Supplement Warned for Manufacturing Violations, Drug Claims
On July 15, 2016, the FDA issued a warning letter to Vitalife Inc.
Recalls & Warnings
August 23, 2016
Seller of Aloe Liquid and Capsules Warned for Manufacturing Violations, Drug Claims
On July 15, 2016, the FDA issued a warning letter to Aloe Farms, Inc.
Recalls & Warnings
September 27, 2016
Seller of B Vitamins, Omega-3s and More Warned for Manufacturing Violations, Drug Claims
On September 15, 2016, the FDA issued a warning letter to Positive Power Nutrition, following a facility inspection which found the company's products, including High Energy C-Complex, Positive Vitality, Positive Performance, Positive CardioGuard, B-Complex 100, Positive Essentials, Positive ...
Recalls & Warnings
September 14, 2016
Seller of Aloe, Prostate and Joint Supplements Warned for Manufacturing Violations
On April 8, 2016, the FDA issued a warning letter to Salud Natural Entrepreneurs, Inc.
Recalls & Warnings
September 06, 2016
Seller on Noni Juice Warned for Manufacturing Violations, Drug Claims
On August 26, 2016, the FDA issued a warning letter to Healing Noni Co. L.L.C.
Recalls & Warnings
September 18, 2015
High Levels of Mercury and Lead Found in Ayurvedic Herbal Supplements
On September 17, 2015, the FDA announced that Shree Baidyanath Ayurved Bhawan Ayurvedic dietary supplements were found to contain high levels of lead and/or mercury, which can cause serious health problems.
Recalls & Warnings
July 23, 2016
Maker of "Super Food" Warned for Manufacturing Violations
On July 12, 2016, the FDA issued a warning letter to TerraVare, Inc.
Recalls & Warnings
August 02, 2016
Seller of Whey Protein Warned for Manufacturing Violations, Drug Claims
On July 22, 2016, the FDA issued a warning letter to New Horizon Nutraceuticals, LLC, following a facility inspection which found the company's product, One World Whey Protein Power Food to be adulterated because it was prepared, packed, or held under conditions that violate Current ...
Recalls & Warnings
September 27, 2014
Chinese Flu Product Poses Lead Poisoning Risk
On September 26, 2014, the FDA warned parents and caregivers not to buy or use Bo Ying compound (manufactured by Eu Yan Sang) due to the potential risk of lead poisoning.
Recalls & Warnings
April 01, 2017
Maker of Prelief, Urinozinc Prostate Health Formula Warned for Manufacturing Violations
On March 16, 2017 the FDA issued a warning letter to DSE Healthcare Solutions, LLC, following a facility inspection which found the company's products, including Prelief and Urinozinc Prostate Health Formula to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
April 26, 2013
Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims
On March 20, 2013, the FDA issued a warning letter to Birkdale Medicinals LLC, following a review of the company's website which found statements made about Birkdale products, including Immune Response 247, Cholestat, Silymarin 81 and LevelStat, to be drug claims.
Recalls & Warnings
February 14, 2017
Life Extension Warned for Drug Claims
On February 1, 2017, the FDA issued a warning letter to Life Extension Foundation Buyers Club, Inc.
Recalls & Warnings
September 25, 2018
Seller of B Vitamins, Multis, Glucosamine & More Warned for Manufacturing Violations
On August 31, 2018, the FDA issued a warning letter to Independent Nutrition Inc., following a facility inspection which the company's products, including B-50 Complete, Multi-Vitamin & Mineral Complex (a.k.a.
Recalls & Warnings
September 25, 2018
FDA Warns Seller of Digestive Enzyme Supplements
On March 6, 2018, the FDA issued a warning letter to Uckele Health & Nutrition, Inc.