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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
Ginger Supplements, Chews & Spices Review
Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
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
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
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.
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
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
Which deodorants and antiperspirants are contaminated with benzene and which are not?
Benzene, a carcinogen, has been detected in over 40 spray deodorants, antiperspirants, and body sprays. Tests were conducted on brands including Axe, Bath & Body Works, Brut, Degree, Dove, Gold Bond, Right Guard, Secret, Speed Stick, Suave, Old Spice, Victoria's Secret and others. Find out which products contained benzene, and how much they contained.
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.
Clinical Update
9/03/2024
More Cinnamon Recalled Due to Lead
Another brand of cinnamon has been recalled due to lead contamination. Get the details in the Quality Concerns section of our Cinnamon Supplements and Spices Review, which includes our Top Picks among cinnamon supplements and spices (which were tested for lead and other contaminants).
Clinical Update
9/12/2024
Lead in Cinnamon
Elevated levels of lead, a toxin, were recently reported in a dozen cinnamon spices by Consumer Reports. Products with lower lead levels were considered “Best to Use,” two of which were earlier selected as Top Picks by ConsumerLab (which additionally tested products for the toxin coumarin). For details, see the Quality Concerns section of our Cinnamon Supplements & Spices Review, which includes our Top Picks.
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
11/04/2024
Try Taking Cinnamon This Way
A recent study suggested that taking cinnamon as a powder may be better for controlling blood sugar than taking it as a capsule. For details, see our Cinnamon Supplements and Spices Review, which includes our Top Picks among cinnamon supplements and spices.
Also be aware that the FDA recently reported high levels of lead in yet another cinnamon powder.
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
What are the health benefits of black cumin seed (black seed) oil?
Find out if black seed oil has health benefits, such as lowering blood pressure or cholesterol, asthma, weight loss, and others. Dosage, forms, including black seed oil and black seed powder, safety information, using black seed oil in foods and more. ConsumerLab.com's answer explains.
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.
CL Answer
How can I avoid aconite – a toxin – in Aconitum supplements?
Aconite is a highly toxic alkaloid found in Aconitum plants ( also called monkshood, wolfsbane, or devil's hood). Aconite poisoning can cause low blood pressure, chest pain, increased or decreased heart rate, and irregular heart rhythm that can lead to cardiac arrest and death. Find out which supplements may contain aconite and how to avoid it.
Clinical Update
12/12/2023
Lead in Cinnamon Applesauce
Enormous amounts of lead have been found in cinnamon applesauce pouches. The cinnamon appears to be the source of the lead. Get the details in our Cinnamon Review, which includes our Top Picks among cinnamon supplements and spices (which were tested for lead).
Clinical Update
11/17/2023
Lead in Cinnamon Applesauce
Several cinnamon apple sauce products are being recalled after testing revealed high concentrations of lead in the products, likely from the cinnamon. Get the details about the recall, and see our tests of cinnamon supplements and spices, which found one product to contain elevated levels of lead, as well as our Top Picks for cinnamon.
Clinical Update
7/25/2024
Lead in Cinnamon
Another brand of cinnamon has been found to be contaminated with very high levels of lead. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead as well as other toxic heavy metals and potential contaminants.)
Clinical Update
7/29/2024
More Cinnamon Recalled Due to Lead
Three brands of cinnamon are being recalled due to risk of lead contamination, adding to a growing list of affected products. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead and other toxins.)
CL Answer
Is cinnamon dangerous for my liver? I put about a teaspoon of it in my oatmeal every day.
The most common form of cinnamon contains a naturally occurring liver toxin called coumarin. Find out how much cinnamon is safe to consume, and how often it can be consumed. Also learn how much coumarin ConsumerLab found in popular cinnamon and spices.
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.
Clinical Update
11/26/2021
Contaminated Ginger
We have added information to our Ginger reviews to include recent tests of spices for toxic heavy metals, such as lead, expanding the number of brands tested.
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.
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.
Clinical Update
8/05/2024
More Cinnamon Recalled
More cinnamon products are being recalled due to the potential risk of lead contamination. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead and other toxins.)
Clinical Update
3/15/2024
Cinnamon & Blood Sugar
Did supplementing with cinnamon lower blood sugar in men and women with prediabetes? See what a recent study found in our Cinnamon Supplements and Spices Review.
Be aware that lead contamination was recently reported in several brands of cinnamon, as discussed in our Review, which also includes our Top Picks for ground cinnamon to avoid lead and other toxins.
Clinical Update
4/12/2024
Cinnamon Recall
Another brand of cinnamon has been recalled for elevated levels of lead. Get the details in the Quality Concerns section of our Cinnamon Supplements and Spices Review, which also identifies our Top Picks for ground cinnamon to avoid toxins.
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
5/07/2024
RoundUp in Cinnamon
A recent study found glyphosate (RoundUp) in some popular brands of cinnamon. Is this a health concern? Get the brand-specific details in the Quality Concerns section of our Cinnamon Supplements & Spices Review. Also see our Top Pick among cinnamon spices and supplements.
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
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
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
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
7/21/2020
Cinnamon for Prediabetes?
Does taking a daily cinnamon supplement help control blood sugar in people with pre-diabetes? See the results of a recent study in the What It Does section of the Cinnamon Supplements & Spices Review. Also see our Top Picks among cinnamon supplements and among cinnamon spices.
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.
News Release
December 22, 2020
Best and Worst Ginger Supplements, Chews & Spices Identified by ConsumerLab. Contamination, Less Ginger Than Expected in Some Products.
White Plains, New York, December 22, 2020 — Ginger is not only a popular spice but may reduce nausea from motion sickness and pregnancy and modestly decrease pain from osteoarthritis. Key compounds in ginger known as gingerols are believed to be active components of ginger.
News Release
December 11, 2020
Caution With Cinnamon: ConsumerLab Tests Reveal High Amounts of Toxin in Some Supplements and Spices
White Plains, New York, December 11, 2020 — Cinnamon is a favorite spice that may modestly help lower blood sugar levels, likely due beneficial proanthocyanidins (PACs).
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
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
5/02/2023
Cinnamon for Lowering Blood Sugar?
Did taking capsules of true (Ceylon) cinnamon reduce fasting blood sugar or HbA1c in people with type 2 diabetes? See what a new study found in the What It Does section of our Cinnamon Supplements Review, which includes our Top Picks among cinnamon supplements and spices.
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
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
10/13/2023
Ginger for Menstrual Pain
Ginger supplementation reduced menstrual pain and other symptoms in women with dysmenorrhea in a recent study. Get the details in the What It Does section of our Ginger Supplements & Spices Review. Also see our Top Picks among ginger supplements.
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
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
5/07/2024
Change in Ginger Product
We recently learned of a change to the ginger supplement that had the highest concentration of ginger compounds in our tests. See the Update in our Ginger Supplements and Spices Review, which includes our Top Picks for ginger.
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
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
9/06/2024
Ginger for Peptic Ulcer?
Did taking ginger supplements after medical treatment for peptic ulcer disease improve outcomes? Find out in the What It Does section of our Ginger Supplements Review, which includes our Top Picks among ginger supplements, chews, and spices.
Also see: 8 Supplements That May Help Treat Peptic Ulcers – And Some to Avoid
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
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?
Clinical Update
12/16/2024
Turmeric/Ozempic Interaction?
A recent case of liver injury suggests the possibility that GLP-1 medications may increase the risk of liver injury with high-dose turmeric. For details, see the Concerns and Cautions section of our Turmeric Supplements Review, which includes our Top Picks among turmeric and curcumin supplements & spices.
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
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
3/27/2021
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
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
8/14/2021
Vietnamese Cinnamon Concern
Our tests of cinnamon found higher concentrations of the toxin coumarin in Vietnamese cinnamon. A similar finding was recently reported. Learn more in our Cinnamon Supplements & Spices Review – and see how products compared in our tests.
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.
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
4/22/2022
Fresh Ginger vs. Ginger Supplements
How much fresh ginger is equivalent to what is in a ginger supplement? Find out in the ConsumerTips section of our Ginger Supplements Review. Also see which ginger supplements passed or failed our tests, and what's in ginger spices and ginger ale, based on our tests.
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
5/24/2022
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
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
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
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
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
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
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
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
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
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 >>
Clinical Update
11/05/2016
Cinnamon to Lower Blood Sugar?
A study in people with elevated blood sugar levels found that a particular cinnamon extract (which CL has tested) modestly lowered blood sugar levels. The way the data was analyzed, however, appears flawed in our opinion. Get the details in the "What It Does" section of Cinnamon Supplements and Spices Review >>
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
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
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
9/22/2018
Cinnamon Side Effects
If you take a cinnamon supplement (or regularly use large amounts of cinnamon), be aware of the potential for side effects. See the Concerns and Cautions section of the Cinnamon Supplements Review. (Also see what our tests of cinnamon supplements and spices found and our top choices among products).
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
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
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
5/05/2018
Cinnamon for Arthritis
Taking cinnamon as a supplement was found to decrease symptoms of rheumatoid arthritis in a recent study. Get the details and learn what else cinnamon can do (particularly regarding blood sugar) in the What It Does section of the Cinnamon Supplements & Spices Review. (Also see our test results for popular cinnamon supplements).
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
5/25/2021
Ginger for Stomach Flu?
Can ginger extract reduce vomiting due to stomach flu? See what a new study found in the What It Does section of the Ginger Supplements Review. Also see our Top Picks among ginger supplements, chews, and spices.
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
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
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.
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
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.
News Release
January 05, 2016
Cinnamon Spices and Supplements Found to Vary Widely in Levels of Potentially Helpful and Harmful Compounds Reports ConsumerLab.com
White Plains, New York, January 5, 2016 — Cinnamon supplements may be helpful for controlling blood sugar in people with type 2 diabetes or prediabetes, possibly due to compounds known as proanthocyanidins or PACs.
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.
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.
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.
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
May 16, 2024
Great Value Chia Seeds Recalled Due to Salmonella Risk
On May 10, 2024, Natural Sourcing International issued a recall of one lot of Great Value Organic Black Chia Seeds 32 oz. (sold at Walmart) due to the potential presence of Salmonella.
Recalls & Warnings
September 06, 2022
Sand Ginger Powder Recalled in Canada Due to Aconite
On September 1, 2022, Ka Wing Hong issued a recall of Mr. Right brand Keampferia Galanga Powder (sand ginger powder), a common spice used in Asian cuisine, due to aconitine contamination.
Recalls & Warnings
December 20, 2021
Pantene, Herbal Essences, & Other Brands of Dry Shampoo and Conditioner Recalled Due to Benzene
On December 17, 2021, Procter & Gamble issued a recall of 26 aerosol spray dry shampoos and conditioners from six brands, including Aussie, Herbal Essences, Hair Food, Old Spice, Pantene, and Waterless Hair Care, because some of the products were found to contain benzene.
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.
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.
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 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
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.
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
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
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
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
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
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
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 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
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
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
July 01, 2013
Teas Recalled Due To Potential Botulism Contamination
One June 28, 2013, Harmony Chai issued a voluntary recall of its Concentrated Black Spiced Chai and Decaffeinated Rooibos Chai bottled tea drinks, because they have the potential to be contaminated with Clostridium botulinum.
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.