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CL Answer

Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?

Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.

Too Much Folic Acid in Prenatal Vitamins? -- Pregnant woman taking supplements

CL Answer

What is inositol hexaphosphate (IP6) and myo-inositol? Are they helpful in treating cancer or other conditions?

Inositol hexaphosphate (IP6): Find out if IP6 (also known as phytic acid) can prevent or treat cancer. Clinical evidence, dosage, safety and how IP6 differs from myo-inositol. Consumerlab.com's answer explains.

Wooden spoon filled with white inositol capsules

CL Answer

Which supplements may help with PCOS (polycystic ovarian syndrome)?

Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.

Supplements for PCOS

Clinical Update

7/24/2021

Vitamin D and Pregnancy Outcomes

Can taking vitamin D during pregnancy reduce the risk of preterm labor, low birth weight or pregnancy loss? Find out what a recent study showed in the Pregnancy section of our Vitamin D Supplements Review. Also, see our Top Picks among vitamin D supplement.

CL Answer

Is it true that iodine can cause acne or other skin problems?

Information on iodine causing acne and other skin problems such as rashes and hives. ConsumerLab.com's answer explains.

Iodine Causing Acne & Rashes -- box of iodized salt

Clinical Update

10/24/2020

Vitamin D & Pregnancy

Maintaining sufficient blood levels of vitamin D during pregnancy is associated with better health for both mother and baby, including a decreased risk of gestational diabetes, according to a new study. Get the details in the Pregnancy section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

Clinical Update

9/17/2019

Fish Oil in Pregnancy?

Several studies have evaluated the effects of taking fish oil during pregnancy, including a recent study seeking a reduction in premature births. Find out if fish oil helps in the During Pregnancy: Effects on Children section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Clinical Update

8/04/2023

Take Folic Acid Before Pregnancy

The importance of taking folic acid at least one month before pregnancy was reiterated this week in a major report. For details, see our article about folic acid and pregnancy, which includes a video. Also see our Top Pick among prenatal vitamins in our Multivitamins Review.

Clinical Update

9/03/2025

DHA During Pregnancy

Does taking high-dose DHA during pregnancy have cognitive benefits for infants? See what research suggests in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks fish oil supplement for pregnant women as well as our Top Pick among highly concentrated fish oils.

Clinical Update

8/14/2021

COVID Vaccination During Pregnancy

Vaccination is now recommended during pregnancy. Get the latest details in our article about COVID Vaccines.

Clinical Update

8/07/2011

DHA in Pregnancy

The omega-3 fatty acid, DHA, is known to be important to fetal development and is recommended for pregnant woman. A new study suggests that DHA during pregnancy may reduce early colds in some infants. An update to the Fish Oil Supplements Review includes the dose and type of DHA used. More >>

Clinical Update

5/03/2014

Does Fish Oil Help During Pregnancy?

A recent study shows that, at age 4, children born to women given DHA-rich fish oil during pregnancy do not fare better cognitively than other children. Other positive effects around the time of birth, however, suggest that supplementation may be worthwhile. For details, as well as our tests of fish oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >>   

Clinical Update

2/25/2018

Folic Acid, Multis & Autism Risk

The use of a folic acid or multivitamin supplement during pregnancy was associated a reduced risk of autism spectrum disorder in children according to a recently published study. Be aware, however, that high-dose folic acid during pregnancy may have negative effects. For details, see the Folic Acid section of the B Vitamins Review.

Clinical Update

7/16/2016

Fish Intake During Pregnancy Increases Child's IQ

Consuming fish during pregnancy is associated with increased IQ in children, according to a recent study. Get the details in the Fish Oil and Omega-Fatty Acid Supplements Review >>

Clinical Update

7/12/2014

Vitamin D & Calcium for Diabetes Due to Pregnancy

A new study found supplementation with a combination of vitamin D and calcium improved fasting blood sugar levels, serum insulin levels, and insulin sensitivity in women with gestational (pregnancy-related) diabetes. For more details, including dosage, as well as our tests and comparisons of vitamin D and calcium supplements, see the update to the Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium) >>   

Clinical Update

12/17/2016

Vitamin D and Autism Risk

Children whose mothers are vitamin D deficient during pregnancy are much more likely to have autistic traits by age six than those whose mothers have sufficient levels during pregnancy, according to a new study. Get the details, as well as our reviews of vitamin D supplements, in the "What It Does" section of the Vitamin D Supplements Review »

Clinical Update

3/26/2017

DHA to Boost Children's IQ?

Supplementing with DHA during pregnancy has been touted as a way to increase the IQ of offspring, but results published this week seem to quash that hope. However, there may be other benefits, particularly for women with normally low intake of DHA, as discussed in the section "During Pregnancy: Effects on Children" in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

Clinical Update

4/15/2017

Probiotic Reduces Diabetes Risk In Pregnancy

Taking a certain type of probiotic during pregnancy reduced the risk of gestational diabetes, according to a new study. For details see the "What It Does" section of the Probiotic Supplements Review >>

Clinical Update

9/12/2020

Fish Oil During Pregnancy

Does taking fish oil during pregnancy lead to cognitive benefits in children? Find out what a recent study showed in the What It Does section of Fish Oil Supplements Review. Also see our Top Picks for fish oil.

Clinical Update

5/15/2020

High Blood Pressure Risk With Too Much Folic Acid During Pregnancy

While it is important to take folate during pregnancy, a new study suggests that too much folic acid from supplements increases the risk of high blood pressure in mothers. See the details in the Folic Acid section of the B Vitamin Supplements Review.

Also see our Top Pick among prenatal vitamins, which provides adequate (but not too much) folic acid, in our Multivitamin and Multiminerals Supplements Review.

Clinical Update

4/23/2019

Fish Oil During Pregnancy

Does taking fish oil during pregnancy yield children with higher IQs? Find out what studies are showing in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and other sources of omega-3 fatty acids.

Clinical Update

12/31/2021

Prenatal Choline Improves Attention in Children

Mothers who took higher doses of choline during pregnancy were found to have children with improved attention, according to a recent study. See the details in the During Pregnancy and Lactation section of our Choline Supplements Review. Also see our Top Picks among choline supplements.

Clinical Update

5/11/2026

Folic Acid or Methylfolate in Pregnancy

Does the form of folate in a prenatal vitamin matter during pregnancy? See what a recent study found in our B Vitamin Supplements Review, which includes our Top Picks for folate.

Clinical Update

2/21/2024

Omega-3s for Preventing Preterm Birth

Some new guidelines suggest getting specific amounts of the omega-3s DHA and EPA during pregnancy. Get the details, including how to tell if your intake is too low and when to start supplementation, in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks among omega-3 supplements.

Clinical Update

5/24/2024

Fluoride Risk During Pregnancy?

A recent study suggested a link between higher fluoride exposure during late pregnancy and an increased risk of certain behavior problems in offspring, although there are notable caveats. See our article about fluoride and ADHD for details.

Get more information about fluoride in our article about toothpaste.

Clinical Update

8/22/2024

Iron During Pregnancy

How much iron, if any, should be taken during pregnancy? Find out what a recent review concluded in the What It Does section of our Iron Supplements Review, which includes our Top Picks for iron.

Clinical Update

8/29/2024

Fish Oil to Prevent Eczema?

Taking fish oil during pregnancy may decrease, or greatly increase, the risk of eczema in offspring depending on the mother’s genes, according to a recent study. Get the details in the During pregnancy: Effects on Children section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Clinical Update

10/24/2024

Omega-3 Supplements & Hemorrhage Risk

Many experts recommend intake of the omega-3’s EPA and DHA during pregnancy, but this may not be advisable during late pregnancy, as a new study found such intake to be associated with increased risk of postpartum hemorrhage. Get the details in the Concerns and Cautions section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Also see our Top Picks among prenatal multivitamins.

Clinical Update

11/01/2022

Coffee & Children’s Height

A recent study linked coffee intake during pregnancy to slightly lower height of children. Learn more in the pregnancy section of our CL Answer about the effects of coffee.

CL Answer

Brain Health Memory Plus – Does It Work?

Brain Health Memory Plus by Qunol purportedly "supports your brain health for a sharper mind as you age." But does this formulation, or its ingredients, work and is it worth its price?

Qunol Brain Health Memory Plus

CL Answer

What is Lipo-flavonoid and does it work for tinnitus or other ear problems?

Lipo-flavonoid Plus info, including ingredients & reliability of claims to improve ear ringing (tinnitus), vertigo, ear aches, ear infection, and Meniere's disease.

Lipo-Flavonoid & Ear Problems -- Man with ear pain

CL Answer

Are Hormone Harmony and other Happy Mammoth Supplements Worth Taking?

Are the supplements Hormone Harmony, Hormone Harmony Plus+, Prebiotic Collagen Protein, or Bloat Banisher by Happy Mammoth likely to be beneficial for menopause symptoms or digestive health? Find out.

Supplements by Happy Mammoth

CL Answer

ConsumerLab’s Review of The 'Pause Nutrition Supplements by Dr. Mary Claire Haver – Are They Worth It?

Looking into The 'Pause Nutrition supplements by Dr. Mary Claire Haver? ConsumerLab examines the value of products like Omega-3 + Vitamin D3 & K2, Fiber GDX, Skin Boost Plus, and more. Find out if these supplements are worth the price and discover affordable alternatives.

The Pause

CL Answer

Does Neuriva improve memory or cognitive function?

Find out about Neuriva, its ingredients, and the evidence for or against it for memory and cognitive function.

Bottles containing capsules of Neuriva Original and Neuriva Plus

CL Answer

Do any supplements help for varicose veins or chronic venous insufficiency?

Find out which supplements help for varicose veins and chronic venous insufficiency, including citrus bioflavonoids and grape seed extract.

Varicose Veins

CL Answer

I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?

Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.

Elderly Man Reading Supplement Bottle

CL Answer

Which vitamins and supplements are good for acne, and are there any that make it worse?

Information about supplements for acne and clearer skin. Plus, find out which vitamins and supplements can make acne worse.

Supplements for Acne and Clear Skin -- Woman taking fish oil supplement

CL Answer

Is Folic Acid the Same Thing as Folate?

There are important differences between folic acid and folate, including how well these forms of vitamin B-9 are absorbed, dosage, and how much is too much. Get the details, including what to look for on supplement labels, in our article about folic acid and folate.

Folic acid vs folate

CL Answer

Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.

Are there any multivitamins that contain only the recommended daily vitamins and minerals? Choose the best multivitamin based on age & gender.

Multivitamins with 100% Daily Requirements -- magnifying glass held over multivitamin pills

Clinical Update

12/13/2020

How Important Is Prenatal Vitamin D?

Does high-dose vitamin D during pregnancy improve motor skills and cognition in offspring? Learn what a recent study showed in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

Clinical Update

11/16/2018

Probiotic Lowers Eczema Risk in Children

The risk of eczema in children was reduced by 54% when a specific probiotic was taken by mothers during pregnancy and then by their infants, according to a new study. The probiotic also reduced the incidence of gestational diabetes among the mothers. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)

Clinical Update

5/08/2014

Lycopene May Improve Fertility

A new review of clinical studies reports lycopene supplementation improved measures of sperm health in men and increased pregnancy rates. For details, as well as our tests of lycopene supplements, see the updated Lycopene Supplements Review >>   

Clinical Update

3/07/2015

Vitamin D Helps in Pregnancy

A new study showed that giving vitamin D to women with low levels of vitamin D resulted in a dramatic reduction in pre-term labor, pre-eclampsia, and gestational diabetes compared to untreated women. For details, see the Vitamin D Supplements Review >>

Clinical Update

1/06/2013

Vitamin D and Pregnancy

A recent study shows that low levels of vitamin D in pregnant women are associated with a higher risk of babies born small for their gestational age. For details, see the update in the Vitamin D Supplements Review, which includes our tests of vitamin D supplements and extensive information about the use of vitamin D. More >>

Clinical Update

2/05/2012

Fish Oil During Pregnancy Reduces Allergy in Infants

Last year we reported important findings from a study of fish oil given to pregnant women. A further analysis of that study shows another benefit of daily fish oil for pregnant women -- their babies have nearly a 40% lower risk of egg allergies. A lower risk of eczema was also found, although this association did not hold after adjusting the data for certain factors. See the update to the Fish Oil Supplements Review, which includes details on this study, the type and amount of fish oil taken, and our latest product tests.

Clinical Update

3/15/2016

Vitamin D and MS

A study found that children born to women significantly deficient in vitamin D during pregnancy were much more likely to develop multiple sclerosis as adults. For details, see the "What It Does" section of the Vitamin D Supplements Review >>

Clinical Update

8/09/2019

Vitamin D During Pregnancy

Does giving expectant mothers a high dose of vitamin D reduce the risk of tooth defects in their children? Find out in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

Clinical Update

2/25/2020

Vitamin D for Mom Affects Baby's Bones

Taking high-dose versus very-low-dose vitamin D during pregnancy led to greater bone density in offspring, according to a recent study. But, there are important caveats. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

Clinical Update

12/02/2017

Autism Risk With Low Vitamin D

Babies born with very low blood levels of vitamin D are more likely to be autistic, according to a new study. This is consistent with a study published last year showing a higher rate of autistic children in mothers with very low vitamin D blood levels during pregnancy. Get the details in the "What It Does" section of the Vitamin D Supplements Review >> (Also see our Top Picks among vitamin D supplements.)

Clinical Update

1/13/2018

Take Choline When Pregnant

It was recommended last year that women take a choline supplement when pregnant. Adding momentum to this recommendation is a recent study showing that giving pregnant women a larger amount of choline than normally considered adequate resulted in improved information processing speeds in their infants. Currently, choline is not found in most prenatal vitamins. For more information, see the During Pregnancy and Lactation section of the Choline Supplements Review. (Also see our Top Picks among products.)

Clinical Update

6/14/2024

Vitamin A Caution During Pregnancy

Women who are pregnant are being advised to minimize intake of vitamin A in the retinol form (as found in some supplements and in liver), as discussed in the Concerns & Cautions section of our Vitamin A Supplements Review.

Clinical Update

12/16/2024

Vitamin D & Child Bone Density

Does supplementing with vitamin D during pregnancy increase bone mineral density in the child? Find out what a recent study showed in the What It Does section of our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

Clinical Update

1/06/2025

Which Prenatals Have The Right Stuff?

Many prenatal vitamins may not correct nutrient deficits that occur in pregnancy, according to a recent study. Find out which products are closest to providing the right ingredients in the Prenatal section of our Multivitamin and Multimineral Supplements Review.

Clinical Update

4/21/2023

Prenatal Vitamin D

Does taking vitamin D during pregnancy help prevent asthma in offspring? Find out in the Asthma section of our Vitamin D Supplements Review.

Also see our Top Picks for vitamin D.

Clinical Update

6/02/2023

Biotin Caution With Lab & At-Home Tests

High doses of biotin from supplements can interfere with a wide range of laboratory and at-home tests, including those for pregnancy, doping, COVID, and heart attacks. Get the details in the Biotin section of our B Vitamin Supplements Review.

Also see: Which vitamins and supplements should be stopped before getting blood work and laboratory tests?

Clinical Update

11/18/2022

Is Chamomile Tea Safe?

A CL member asked if chamomile tea is safe to drink. It’s generally safe in moderation, but there are concerns with drinking large amounts and with regular consumption during pregnancy. For details, see the Chamomile tea section in our CL Answer about supplements for improving sleep.

Clinical Update

3/10/2023

Fish Oil for Infertility?

Can supplementing with fish oil improve the likelihood of pregnancy among women with PCOS-related infertility? Find out what a recent study showed in the Infertility section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements.

Clinical Update

3/05/2026

Can Prenatal Fish Oil Reduce Kid’s Colds?

Does taking fish oil during pregnancy lower the risk of respiratory infections in kids? Find out in our Fish Oil Supplements Review, which includes our Top Picks for fish and algal oil supplements.

Clinical Update

4/03/2025

Fish Oil & Preterm Labor

Fish oil – particularly the omega-3 fatty acid DHA – may reduce the risk of preterm labor but this depends on when it is consumed, according to the latest evidence. Find out more in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks among fish oil supplements.

Clinical Update

12/18/2025

Possible Cause of Vitamin D That’s Too High

Although rare, a genetic mutation may result in unusually high vitamin D and calcium blood levels, particularly when taking vitamin D during pregnancy. Learn about this problem in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

CL Answer

Immunocal is much more expensive than other whey protein isolates - is it worth the extra cost?

Find out how Immunocal, from Immunotec, compares to other whey protein isolates and understand it's costs.

Immunocal: A better whey protein? -- box of Immunocal

News Release

November 02, 2023

Spirulina and “Greens” Supplement Tests Show Some Problems

White Plains, New York, November 2, 2023 —  ConsumerLab tests of spirulina, chlorella, and “greens” supplements revealed that tablets of three brands of spirulina failed to disintegrate within the allotted time, and several other products contained amounts of lead unsuitable for regular consumption ...

Clinical Update

9/06/2017

Lower Cognitive Function in Kids Linked to High Prenatal Folic Acid

Children of mothers who took high amounts of folic acid around the time of pregnancy had lower cognitive and verbal scores when tested at 4 to 5 years of age, according to a new study. Similarly, as we reported last year, pregnant women with higher levels of folate (from folic acid) had offspring with higher rates of autism. While it is important that pregnant women get a moderate amount of folic acid to prevent spinal cord defects, higher amounts should be avoided. See the Folate section of the B Vitamin Supplements Review for details.

News Release

May 16, 2022

Best Calcium and Bone Health Supplements Revealed by ConsumerLab Tests

  White Plains, New York, May 16, 2022 — Calcium is essential for maintaining bones and plays critical roles in nerve transmission, muscle contraction, and the cardiovascular system.

Product Update

12/18/2025

Water Filters Tested

How did Pur Plus, Amazon Basics, and Travel Berkey water filters perform in recent tests? Find out, plus learn how other water filter pitchers, and faucet, countertop, and reverse osmosis filters, fared, in our Water Filter Pitchers Review, which includes our Top Picks.

Clinical Update

2/13/2025

Juice Plus for Cognition?

Did taking Juice Plus+ improve cognitive function in a recent study? Find out in the What It Does section of our Fruits, Veggies, and Other Greens Supplements Review, which includes our Top Picks among products.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

3/15/2017

Anti-Inflammatory Effect of Juice Plus+?

Chronic systemic inflammation is a risk factor for cardiovascular disease, diabetes, and cancer. A recent clinical trial assessed the product Juice Plus+ for its ability to reduce this inflammation in obese men and women. The abstract of the published study indicates that it works, but the results tell a different story. For details, see the "What It Does" section of the Greens and Whole Foods Powders, Pills, and Drinks Review (which includes our tests of products) >>

Product Update

3/26/2026

GNC Turmeric Approved

GNC Herbal Plus Turmeric Curcumin 1,000 mg was recently tested and Approved through our voluntary Quality Certification Program and added to our Turmeric and Curcumin Supplements & Spices Review.

Clinical Update

10/21/2022

CholestOff -- How Versions Differ

A CL member asked us the difference between versions of Cholestoff on the market. Find out in our Cholesterol-Lowering Supplements Review, which includes our tests of CholestOff Plus, and our Top Pick among products.

Clinical Update

8/15/2024

OmegaXL for Joint & Muscle Pain?

See the clinical evidence for and against OmegaXL for reducing joint and muscle pain, plus safety and side effects, in our article about OmegaXL.

Clinical Update

9/24/2024

Fish Oil Plus Statins for Heart Disease?

Did taking high-dose EPA (from fish oil) reduce cardiovascular events among people with coronary artery disease who were already taking statins? And was it safe to do this? Find out what a recent study showed in the Taking with statins section of our Fish Oil Supplements Review, which includes our Top Picks for fish oil.

Clinical Update

12/09/2024

B-12 Plus Intrinsic Factor?

Do vitamin B-12 supplements with “intrinsic factor” boost blood levels of B-12 better than B-12 alone? Find out what research suggests in the B-12 section of our B Vitamin Supplements Review, which includes our Top Picks for B-12.

Clinical Update

4/12/2024

Olive Oil Soap

A CL Member asked if olive oil soaps can help moisturize dry skin. Find out what the evidence suggests, plus, learn how olive oil may affect eczema, in our article about soaps for dry skin. Also see our Top Picks for soap and bodywash for dry skin.

Also, see our Extra Virgin Olive Oil Review, which includes our Top Picks among bottled olive oils.

Clinical Update

12/02/2022

Vision Supplement Concern

We were asked to evaluate EyePromise AREDS 2 Plus Zinc-Free by several CL members. We have not tested this product, but have concerns about its formula and dosing, as explained in our Vision Supplements Review.

Clinical Update

8/04/2023

Fruits & Veggies in a Capsule?

We said it was too good to be true, and now the distributor of a fruits & veggies supplement will pay over $1 million to settle a false advertising lawsuit. Get the details and our reviews of products sold by Balance of Nature, Juice Plus, Dr. Berg’s, and Nutrilite.

Also see our Top Picks among other greens supplements, including mixed greens powders, chlorella, and spirulina products.

Clinical Update

8/25/2023

Tart Cherry for Sore Muscles?

Did tart cherry extract reduce muscle soreness after exercise in a recent study? Find out, plus, see the evidence for tart cherry juice and supplements for improving sleep and memory, and other uses, in our article about the health benefits of tart cherry.

Clinical Update

9/29/2023

Supplements for Pancreatitis?

Can digestive enzyme supplements work as well as prescription enzymes for chronic pancreatitis, and can any other supplements help? Find out, plus, learn if any supplements can cause pancreatitis, in our new article about supplements and pancreatitis.

Clinical Update

10/31/2023

Collagen Plus MSM for Skin?

Does taking MSM along with collagen reduce skin roughness or wrinkles as much as collagen without MSM? See what a new study found in the Aging skin and wrinkles section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for skin.

Clinical Update

1/16/2024

Fish Oil Plus Statins?

Does adding high-dose fish oil to therapy with statins slow the progression of coronary plaque? See what a new study found in the Taking with Statins section of our Fish, Krill, and Algal Oil Supplements Review. Also see our Top Picks among fish oil supplements.

Clinical Update

2/02/2024

Cholestoff Plus vs Cholestoff Complete

What are the differences between these formulas, and is one more effective for lowering cholesterol? Find out in our Cholesterol-Lowering Supplements Review, which includes our Top Picks among products.

Clinical Update

2/06/2024

Vitamin K2 + D to Slow Calcification of Arteries?

Does taking vitamin K2 plus vitamin D slow the progression of coronary artery calcification? Find out what a recent study showed in the Heart disease section of our Vitamin K Supplements Review, which includes our Top Pick for vitamin K.

Product Update

1/15/2026

Fruits & Veggies in a Pill?

We said it was too good to be true, and now the distributor of a popular supplement will pay over $9 million to settle a false advertising lawsuit. Get the details in our Fruits, Veggies, & Greens Supplements Review, which covers products sold by Amazing Grass, Athletic Greens, Balance of Nature, Juice Plus, Nutrilite, and Vibrant Health.

Clinical Update

2/19/2026

Creatine & Kidney Stones?

A CL member reported developing kidney stones after taking creatine and asked if there is a connection. Find out what research suggests in our review of creatine, which includes our Top Picks for creatine.

Plus: Learn about supplements such as Kidney COP and Moonstone powder in our article about supplements and kidney stones.

Clinical Update

10/23/2025

Probiotics & Immunity

Can probiotics help fend off colds and respiratory infections? Find out in our updated Probiotics Supplements Review, plus see our Top Picks for probiotics.

Clinical Update

5/01/2025

PEA for Migraine?

Did taking PEA (palmitoylethanolamide) plus melatonin reduce migraine attacks in a recent study? Find out in the Health Effects section of our article about PEA, which includes our comparison of PEA products.

Melatonin, alone, has also shown some benefit with migraine, as noted in our Melatonin Supplements Review, which includes our Top Picks for melatonin.

Clinical Update

12/30/2021

New Recommendations for Quarantine and Isolation

The CDC has shortened its recommended time for isolation after confirmed infection as well as quarantine after exposure. Get the details, plus find out if people should be retested before ending isolation.

Clinical Update

11/11/2020

A Different Red Yeast Rice

A CL member asked about a newer type of red yeast rice known as Ankascin 568-R Plus. We’ve added information about it to our Red Yeast Rice Review. Also see our Top Pick for red yeast rice.

Clinical Update

7/31/2021

Statins Plus Fish Oil?

Can taking high-dose omega-3s decrease triglyceride levels in people taking a statin drug? See what a new study found in the Taking With Statins section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements, including highly concentrated products.

Clinical Update

8/25/2020

Calcium & Artery Calcification

Is there an increased risk of coronary artery calcification with the use of calcium supplements? Find out what a recent analysis showed in the Heart Attack and Stroke Risk section of the Calcium Supplements Review. Plus, learn how much calcium one needs per day and how much, if any, can come from supplements. Also see our Top Picks for calcium.

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

6/16/2013

Fish Oil and Stress

A new study shows that fish oil may slightly blunt some of the effects of mental stress. Get the details, plus our quality ratings of 74 supplements, in the updated Fish Oil and Omega-3 Fatty Acid Supplements Review >>

Clinical Update

6/16/2013

Stimulant Supplements

Have you ever wondered what taking a stimulant supplement for weight management or energy might do to your body? Researchers recently gave Zantrex-3, Xenedrine EFX, Metabolift, or a brand of Guarana to young men while monitoring their heart rates and other vital signs, and recording side effects. The results raise concerns. Get the details, plus test results for 14 other supplements, in the updated Weight Supplements Review >>

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

6/09/2013

Vitamin C: Does It Fight Colds?

A new analysis says it can help — a little. Get the bottom line, plus test results for 27 products, in the updated Vitamin C Supplements Review >>

Clinical Update

6/02/2013

Does CoQ10 Help the Heart?

It can for people with congestive heart failure, says a new study. Find out more about CoQ10, plus get ratings for 48 supplements in the updated Coenzyme Q10 and Ubiquinol Supplements Review >>

Clinical Update

5/27/2013

Alzheimer's Changes Slowed with B Vitamins

A combination of B vitamins was found to slow brain loss in areas of the brain associated with Alzheimer's disease. This same combination of vitamins has also been shown to slow cognitive decline. Get the details on who may (or may not) benefit, dosage, plus test results for over 35 B vitamin supplements in the updated B Vitamin Supplements Product Review >>

Clinical Update

5/19/2013

Creatine for Fibromyalgia

A new study shows that creatine might have a role in boosting muscle strength in patients with fibromyalgia. Get the details, plus quality ratings for creatine supplements in our updated Muscle Enhancers (Creatine and Branched Chain Amino Acids) Review >>

Clinical Update

5/12/2013

Best Supplements for Vision (Macular Degeneration)

A major new study revealed what combination of supplements is best for slowing progression of macular degeneration -- and which don't seem to help. Get the details, plus quality ratings on over 20 vision supplements in the updated Vision Supplements Review >>

Clinical Update

11/16/2014

Do B Vitamins Boost Memory?

This week, a study was reported in the media suggesting that taking vitamin B-12 and folic acid does not help with memory. But a closer look at this and related studies shows a benefit for some people. Get the details, plus our tests and comparisons of B-vitamin supplements, in the B Vitamin Supplements Review >> 

Clinical Update

2/28/2015

Alpha Lipoic Acid Improves Results When Dieting

Women who took alpha lipoic acid while dieting lost significantly more weight and body fat than those who only reduced their calorie intake, according to a new study. For the dose, how it was taken, plus our tests of popular alpha lipoic acid products, see the Alpha Lipoic Acid Review >>

Clinical Update

8/19/2015

Cocoa Increases Blood Flow to Brain

A small study found that drinking a cocoa drink high in flavanols significantly increased blood flow to the brain, which, the researchers propose, might have potential cognitive benefits. Get the details, including dosage, plus more about cocoa and memory, and our tests of popular products, in the Cocoa Supplements and Dark Chocolate Review >>

Clinical Update

9/02/2015

CLA Linked to Acute Hepatitis

CLA supplements are popular for slimming, but a recent report of acute hepatitis (liver inflammation) associated with use of CLA is concerning. Get the details, plus more about evidence, safety, and our tests of popular products in the CLA Supplements Review >>

Clinical Update

9/12/2015

Cardiovascular Benefits of Cocoa Flavanols

A drink rich in cocoa flavanols modestly improved certain measures of cardiovascular health in healthy, middle-aged men and women, according to a recent study. Get the details, including dosage, plus our tests of popular products, in the Review of Cocoa Powders, Dark Chocolate, Extracts, Nibs, & Supplements >>

Clinical Update

10/03/2015

Fish Oil for Depression

A small study found that taking EPA and DHA daily significantly reduced depression in young men and women. Get the details, including dosage, plus our tests of popular products, in the Fish Oil and Omega-3 Supplements Review >>

Clinical Update

8/22/2014

Flaxseed Lowers Blood Pressure

Consuming milled flaxseed significantly lowered blood pressure in people with peripheral arterial disease, according to a recent clinical trial. Additional analysis of those results suggests the alpha-linolenic acid (ALA) -- an omega-3 fatty acid -- in flaxseed may be responsible for the effect. Get the details, including the amount of flaxseed used, plus our tests of flaxseed, evening primrose, borage, and other seed oils containing ALA and GLA, in the updated Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>   

Clinical Update

8/02/2015

Prebiotics for Immune Health

Prebiotics are complex sugars which can support the growth of probiotic organisms in the gut. A recent study reported a specific type of prebiotic increased amounts of beneficial bacteria and improved certain markers of immune function in older men and women. Get the details, including dosage, plus our tests of popular probiotics and prebiotics in the Probiotic Supplements Review >>

Clinical Update

10/27/2015

Prebiotic Helps With Weight

A certain prebiotic was found to increase the amount of weight men and women lost while on a calorie-restricted diet. For details, including brand and dosage, plus our tests of popular probiotics and prebiotics, see the Probiotic Supplements Review >>

Clinical Update

11/21/2015

Ideal Vitamin D Levels to Reduce Cardiovascular Risk?

A study of a large group of Americans found that the risk of developing cardiovascular disease was 35% higher in people with low levels of vitamin D. Get the details, plus more about maintaining healthful blood levels of vitamin D, and our tests of products, in the Vitamin D Supplements Review >>

Be aware that there is also a risk of getting too much vitamin D >>

Clinical Update

11/10/2013

Amino Acids Speed Recovery From Knee Surgery

A study of men and women receiving knee replacement surgery showed that taking essential amino acids (including branched-chain amino acids) twice daily before and after surgery reduced muscle loss and speeded recovery. For details, including dosage, plus our reviews of amino acid supplements, see the updated Muscle Enhancers Review >> 

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

11/05/2014

Resveratrol Blunts Benefits of Exercise

A new, small study adds to the evidence that resveratrol may interfere with the positive effects of exercise. Get the details, plus evidence regarding other uses for resveratrol and our tests of products, in the updated Resveratrol Supplements Review >> 

Clinical Update

7/28/2013

Resveratrol May Blunt Positive Effects of Exercise

Although experiments in animals suggest that resveratrol improves athletic endurance, a new, placebo-controlled study in men found it to blunt some of the positive effects of exercise. Get the details plus test results for 20 resveratrol supplements and more information about resveratrol's effects in the updated Resveratrol Supplements Review >>  

Clinical Update

8/04/2013

Supplement Helps Dry Eye

A supplement containing omega-6 (from black currant seed oil) and omega-3 fatty acids (from fish oil) was recently shown to improve symptoms of dry eye. Get the details about this formula (plus our test results of other omega-3 and -6 fatty acids supplements) in the updated Black Currant, Borage, Evening Primrose, and Flaxseed Oils Review >>

Clinical Update

8/18/2013

Vitamin D for Hypertension?

Some studies have suggested a modest reduction in high blood pressure with vitamin D supplementation. However, a recent study did not find such a benefit - although a closer look reveals why these results may not tell the full story. Get the details, plus more information about vitamin D and cardiovascular health, and test results for 55 vitamin D supplements, in the updated Vitamin D Supplements Review >>

Clinical Update

7/16/2014

DHA for Periodontitis (Inflammation Around Teeth)

A new study found that giving DHA (from algal oil) along with low-dose aspirin led to greater reductions in local inflammation and pocketing around teeth than aspirin plus placebo. For more about the study, including dosage, and our tests and comparisons of algal oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >> 

Clinical Update

2/28/2017

Magnesium for Leg Cramps?

Magnesium supplements are sometimes promoted for leg cramps. However, a recent study among older men and women found that taking a particular form of magnesium at bedtime did not reduce nighttime leg cramps. Get the details about the study, plus other uses of magnesium, in the "What It Does" section of the Magnesium Supplements Review (which includes our tests of products) >>

Clinical Update

10/03/2017

Caution When Taking Epsom Salt

A case of liver injury was recently reported in a man taking a large daily dose of Epsom salt (magnesium sulfate). Get the details, plus more about safety issues with magnesium supplements in the "Concerns and Cautions" section of the Magnesium Supplements Review >>

Clinical Update

11/07/2017

Melatonin Improves Sleep in Children with Autism

Prolonged-release melatonin helped children with autism fall asleep faster and stay asleep longer in a new study. Get the details, plus more about the best way to take melatonin to get a good night's sleep, in the "What It Does" section of the Melatonin Supplements Review >> [Also see our Top Picks for melatonin supplements in the Review.]

Clinical Update

5/13/2015

Fish Intake and Breast Cancer Risk

Women with breast cancer who consumed the most fish had a lower risk of death compared to women who did not eat fish, a new study reports. Get the details, plus evidence for the use of fish oil supplements to reduce the risk of breast and prostate cancer, and our tests of popular products in the Fish Oil and Omega-3 Fatty Acids Supplements Review >>

Clinical Update

8/09/2016

Spirulina Lowers Cholesterol

Spirulina, a common ingredient in greens and whole foods supplements, was found to lower total and "bad" LDL cholesterol, but only in certain people. Get the details, plus our tests of products containing spirulina, in the Greens and Whole Foods Powders, Drinks and Pills Review >>

Clinical Update

7/09/2014

Chlorella Lowers Cholesterol and Triglycerides

A daily dose of chlorella (an ingredient included in some "greens" and whole foods supplements) significantly reduced total cholesterol, "bad" VLDL cholesterol, and triglyceride levels in men and women with mildly elevated cholesterol. Get the details, including the dosage used, plus our tests and comparisons of supplements containing chlorella and other "greens" in the updated Greens and Whole Foods Powders and Pills >> 

Clinical Update

7/12/2014

Whey Protein for Blood Sugar Control?

Drinking a whey protein shake before a meal improves blood sugar and insulin response in men and women with type 2 diabetes, according to a new, preliminary study. Get more details, plus our tests of protein supplements, in the updated Protein Powders and Drinks Review >>

Clinical Update

11/26/2017

Signs of B12 Deficiency

B12 deficiency is not uncommon, most often affecting older people. Symptoms include anemia, fatigue, tingling in the arms and legs and loss of balance -- but a recent case report highlights a lesser-known sign of B12 deficiency. Find out more, plus how much B12 you should get in the "B12" section of the B Vitamins Review >> (Also see our Top Picks for vitamin B12 and other B vitamins.)

Clinical Update

2/18/2020

Saffron for Better Sleep?

A recent, preliminary study suggests that saffron may help with sleep. Get the details plus information about other supplements that may help or interfere with sleep, in our answer to the question: Which supplements can help me sleep?

Clinical Update

11/15/2019

Fish Oil Plus Statins for High Triglycerides

This week an FDA panel recommended that a prescription fish oil be approved for use with statins in people with high triglycerides. Get the details and see how fish oil supplements compare in the Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements.

Clinical Update

8/05/2015

Adverse Reactions with St. John's Wort

A recent analysis found adverse reactions associated with St. John's wort were similar to those reported for the prescription SSRI antidepressant fluoxetine (Prozac), and serious adverse reactions were most likely to occur when the herb was taken in addition to a prescription drug. Get the details, plus more about concerns and potential drug interactions and our tests of popular supplements in the St. John's wort Supplements Review >>

Clinical Update

9/22/2015

Probiotic Increases Bowel Movement Frequency

A certain probiotic increased the number of weekly bowel movements in healthy men and women who reported a low frequency. Get the details, including brand and dosage, plus our tests of popular products in the Probiotic Supplements Review >>

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

11/16/2016

Many Americans Not Getting Enough Potassium

Americans may not be getting enough potassium according to a new study. Get the details, plus information about how to increase your intake of potassium in the "What To Consider When Using" section of the Potassium Supplements Review >>

Clinical Update

9/20/2016

Omega-3 and -6 Improves Reading Skills in Children

A combination of the omega-3 fatty acids EPA and DHA plus an omega-6 fatty acid improved reading skills and comprehension in school-age children. For details, including dose, see the "What It Does" section of the Fish Oil and Omega-3 and -7 Supplements Review >>

Clinical Update

5/07/2019

Statins Plus Fish Oil?

Does high-dose fish oil provide additional coronary benefit to people already taking a statin drug? Find out in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils.

Clinical Update

8/17/2016

Ginkgo for Memory and Cognition?

A branded ginkgo biloba extract improved a measure of cognition in men and women with self-reported memory impairment -- but did not improve memory. Get the details, plus more about the evidence for ginkgo and our tests of products, in the Ginkgo Biloba Supplements Review >>

News Release

March 11, 2022

Best Magnesium Supplements Identified by ConsumerLab

  White Plains, New York, May 12, 2022 — Nearly half the U.S. population does not get adequate amounts of magnesium and can benefit from increasing magnesium intake from foods or supplementation.

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

February 15, 2018

Tests Reveal How Much CBD is Really in CBD and Hemp Oils -- Some Don't Provide Amounts of CBD Listed on Labels

White Plains, New York, February 15, 2018 (UPDATED 2/11/19) — CBD (cannabidiol) has become popular for treating pain, helping with anxiety and insomnia, and a variety of other conditions, despite the fact that the FDA has stated it cannot legally be sold as a ...

News Release

June 21, 2017

Which Magnesium Is Best? ConsumerLab.com Tests Popular Brands and Reveals Its Top Pick

White Plains, New York, June 21, 2017 — Magnesium supplements are among the most popular supplements, but do you need to take one and, if so, which is best? To find out, ConsumerLab.com reviewed the clinical evidence, and purchased and tested popular magnesium supplements sold in the U.S.

News Release

June 01, 2017

Best Vitamin K Supplement? ConsumerLab.com Tests Popular Products and Reveals Its Top Picks

White Plains, New York, June 1, 2017 — Vitamin K plays an important role in proper blood clotting as well as with calcium utilization in bones and the cardiovascular system, but do most people need a vitamin K supplement? And do products on the market contain what's claimed on their labels? ...

Recalls & Warnings

September 25, 2025

FDA Warns Consumers Not to Use Joint Pain Supplement FTX PLUS

On September 5, 2025, the FDA advised consumers not to purchase or use FTX PLUS, a product promoted for joint pain on various websites, including Walmart and possibly in some retail stores.

Recalls & Warnings

December 19, 2024

Toxic Herb Found in More Weight Loss Supplements

On December 13, 2024, Motivate Me Ashley, LLC recalled the following VidaSlim brand products: VidaSlim 90-day (Original Root, Root Plus, and Root Capsules), VidaSlim 30-day (Original Root, Root Plus, and Root Capsules), VidaSlim 7-day Sample Size (Original Root, Root Plus, and ...

News Release

May 26, 2017

ConsumerLab.com Tests Reveal the Best Calcium Supplements

White Plains, New York, May 26, 2017 — Most people know that calcium is important for building and maintaining strong bones, but with so many different forms, dosages and ingredient combinations available on the market, choosing a calcium supplement can be difficult. To help, ConsumerLab.

News Release

May 17, 2017

Best Vitamin D? ConsumerLab.com Tests Popular Vitamin D Supplements and Reveals Its Top Picks

White Plains, New York, May 17, 2017 — Vitamin D is currently the most popular dietary supplement among people who regularly use supplements according to a recent survey by ConsumerLab.com.

Recalls & Warnings

November 21, 2024

Douglas Labs Stress-B-Plus Recalled

On October 7, 2024, Nestle Health Science (NHS U.S., LLC) issued a recall of two lots of Douglas Labs Stress-B-Plus because it contains incorrect information on the label.

News Release

October 11, 2016

What Are the Benefits of Resveratrol and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular Resveratrol Supplements

White Plains, New York, October 11, 2016 — Resveratrol supplements have been popular since 2006, when studies in animals showed "life-extending" and "endurance-enhancing" effects, among other potential benefits.

News Release

September 13, 2016

Best Fish Oil? ConsumerLab.com Tests 44 Popular Omega-3 Supplements and Identifies Its Top Picks

White Plains, New York, September 13, 2016 — Fish oil and omega-3 fatty acid supplements containing EPA and DHA are among the most popular supplements, and clinical studies suggest a wide range of potential benefits, from improving mental health to treating inflammatory disease.

News Release

January 12, 2016

Problems Found with 32% of Multivitamin/Multimineral Supplements -- ConsumerLab.com Identifies Good Choices for Men, Women, and Children

White Plains, New York, January 12, 2016 — You can't always judge a supplement by its label -- or by its price, according to a new report from ConsumerLab.com, which recently tested dozens of multivitamin/multimineral supplements.

News Release

April 28, 2015

Best Supplements for Bone Health? ConsumerLab.com Finds Products with Multiple Ingredients More Likely to Contain Wrong Amounts

White Plains, New York, April 28, 2015 — Vitamin D and calcium each play a crucial role in bone health and are among the most popular supplement ingredients in the U.S., but recent ConsumerLab.

Recalls & Warnings

July 26, 2023

FDA Warns Wise Women’s Choice for Promoting Plant-Based Product for Contraception

On July 20, 2023, the FDA issued a warning letter to Wise Women’s Choice following a review of the company’s website and social media, which found statements about the company’s Wise Women’s Choice products to be drug claims because products were intended to affect ...

Recalls & Warnings

December 05, 2024

Liquid Multivitamin Recalled

On November 6, 2024, Armonia Natural Store LLC issued a recall of 64 bottles of OneMultivitaminic GAF-PLUS Advance 300 ml because they contain undeclared acetaminophen and dexamethasone phosphate (which are not permitted in dietary supplements) and the undeclared sweetener aspartame.

News Release

April 09, 2014

Best Fish Oil? ConsumerLab.com Testing Finds Many High Quality Supplements, But Pitfalls Exist

White Plains, New York, August 10, 2014 — Recent laboratory tests of fish oil, krill oil, algal oil, calamari oil, and green-lipped mussel oil supplements by ConsumerLab.com revealed quality problems with four out of 30 supplements selected for review.

News Release

January 29, 2014

You May Be Getting More Vitamin C Than You Think from Some Supplements, Cautions ConsumerLab.com -- 27% of Vitamin C Supplements Don't Meet Label Claims in Recent Tests --

White Plains, New York, January 29, 2014 — It's cold and flu season, which means many people are reaching for vitamin C, as it may modestly reduce cold symptoms (although it won't prevent a cold).

News Release

September 19, 2013

What's Really in Resveratrol Supplements? Some Contain Little Resveratrol or Do Not Meet Quality Standards According to ConsumerLab.com

WHITE PLAINS, NEW YORK — September 19, 2013 — Resveratrol supplements have been popular since 2006, when studies in animals showed "life-extending" and "endurance-enhancing" effects, among other potential benefits. In fact, a recent survey by ConsumerLab.

News Release

January 14, 2013

Lycopene Supplements Vary in Quality and Price According to ConsumerLab.com

White Plains, New York, January 14, 2013 — Lycopene supplements, which contain the red, antioxidant pigment found in tomatoes, vary widely in price and quality, according to a recent review by ConsumerLab.com.

News Release

June 16, 2011

ConsumerLab.com puts multivitamins to the test

June 16, 2011, New York, NY — Laboratory test results of 60 multivitamins have shown that you can't always judge a supplement by its label—or by its price. "Consumers should know that multivitamins vary widely in quality, "says Tod Cooperman, M.D., President of ConsumerLab.com.

News Release

April 26, 2011

Problems discovered with eight vitamin D supplements in study by ConsumerLab.com -- Incorrect amounts of vitamins, lead contamination, and labeling infractions identified.

White Plains, New York — April 26, 2010 — Among 28 vitamin D supplements recently selected for independent testing, problems were found with 8 products, 29% of those reviewed, according to ConsumerLab.com.

News Release

March 31, 2009

ConsumerLab.com Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Upper Intake Levels

WHITE PLAINS, NEW YORK — MARCH 31, 2009 — Over 30% of multivitamins recently selected for testing by ConsumerLab.com were found to contain significantly more or less ingredient than claimed or were contaminated with lead.

News Release

January 19, 2007

Consumers warned of problems with multivitamins — ConsumerLab.com uncovers defects in over half of products tested

WHITE PLAINS, NEW YORK — JANUARY 19, 2007 — Fifty-two percent of multivitamins recently selected for testing by ConsumerLab.com were found to be contaminated with lead, unable properly break apart, or to contain significantly more or less ingredient than claimed.

News Release

January 03, 2006

Tests of memory enhancing supplements by ConsumerLab.com reveals lead in some ginkgo

WESTCHESTER COUNTY, NEW YORK — TUESDAY, JANUARY 3, 2006 — In its new test report on Memory Enhancement Supplements, ConsumerLab.com has revealed finding significant amounts of lead in certain products on the market.

News Release

June 15, 2005

Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.

WHITE PLAINS, NY — JUNE 15, 2005 — ConsumerLab.com has released its latest report on the quality of magnesium supplements sold in the U.S. In addition to being an essential mineral, magnesium may help prevent migraine headaches, menstrual pain, PMS, and leg cramps during pregnancy.

Recalls & Warnings

March 23, 2023

FDA Warns Herbal Vitality for Promoting Supplements to Treat Cold & Flu, Kidney Stones & More

On March 7, 2023, the FDA issued a warning letter to Herbal Vitality, Inc.

Recalls & Warnings

July 15, 2024

Hard Steel Supplements for Men Recalled

On July 12, 2024, Supercore Products Group issued a recall of Hard Steel Capsules and Gold Hard Steel Liquid which are used for male erectile dysfunction. The FDA analysis found the capsules to contain sildenafil and acetaminophen.

Recalls & Warnings

July 20, 2021

Alpha Male Plus Recalled

On July 16, 2021, Alpha Male Plus issued a recall of Alpha Male Plus Male Enhancer fruit chews because FDA analysis found them to be contaminated with tadalafil.

Recalls & Warnings

June 30, 2022

FDA Warns Seller of Vision and Allergy Supplements

On May 26, 2022, the FDA issued a warning letter to Golden Lab LLC following an inspection of the website, which found statements about the company’s DoctoRx’s Optimal Formula Ocular Pressure & Optic Nerve Support Formula Ocular Health Capsule, DoctoRx’s Optimal Formula ...

Recalls & Warnings

September 19, 2022

Colgate Toothpastes, Fixodent, Poligrip, & Other Personal Care Products Recalled by Family Dollar

On September 15 and 16, 2022, Family Dollar issued a recall of certain toothpastes, mouthwashes and denture adhesives, as well as other personal care products, because the products were stored and shipped outside of labeled temperature requirements.

Recalls & Warnings

May 08, 2024

APG SEVEN Warned for Promoting Products for Cancer, Depression, Arthritis, & More

On April 18, 2024, the FDA issued a Warning Letter to APG SEVEN, INC following a review of the company’s product labels, website, and social media, which found statements about the company’s BioMoringa, BioDiabetin, Maca Plus, BioProstate, Immune Support, HongoTrap, Honbacterol, ...

Recalls & Warnings

July 06, 2021

Limar Hand Sanitizer Recalled

On July 1, 2021, Ardil Comercial recalled one lot of Limar Hand Sanitizer packaged because its packaging resembles water bottles which could pose a risk of ingestion.

Recalls & Warnings

June 22, 2021

Prairie Wolf Hand Sanitizer Recalled

On June 21, 2021, Prairie Wolf Spirits, Inc. recalled all lots of Prairie Wolf Distillery hand sanitizer packaged in 16.9 fluid ounce and 20 fluid ounce containers that resemble water bottles because the products pose a risk of ingestion.

Recalls & Warnings

November 03, 2022

Seller of CBD Warned for COVID-19 Claims

On November 1, 2022, the FDA issued a warning letter to Alternative Health Distribution LLC (d/b/a CannaAid) following a review of the company’s website, which found statements about the company’s cannabidiol (CBD) products to be drug claims.

Recalls & Warnings

September 10, 2020

Hand Sanitizer Labeled as "Edible" Recalled

On September 3, 2020, CorgioMed LLC recalled one lot of Leafree Instant Hand Sanitizer Aloe Vera because they are labeled "edible alcohol." Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.

Recalls & Warnings

March 18, 2021

Hand Sanitizer Recalled Because Packaging Resembles Water Bottle

On March 17, 2021, PNHC, LLC d/b/a Heal the World recalled all lots of Heal the World hand sanitizer because the product is packaged in containers resembling water bottles.

Recalls & Warnings

October 06, 2020

Hand Sanitizers Marketed for Children, Packaged in Containers Resembling Food and Drink Recalled

On October 1, 2020, Ashtel Studios recalled six hand sanitizers because they are packaged in containers resembling food and drink pouches. Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.

Recalls & Warnings

January 19, 2022

FDA Warns Seller of Carnitine and Alpha Lipoic Acid Supplements

On November 18, 2021, the FDA issued a warning letter to GeroNova Research Inc.

Recalls & Warnings

December 01, 2021

FDA Warns Seller of Saffron Supplements

On November 18th, 2021, the FDA issued a warning letter to Saffron Health Sciences following a review of the company's website, social media, and Amazon product listings, which found statements made about the company's products Crocin Rich, Crocin Rich II, and Crocin Rich ...

Recalls & Warnings

June 22, 2021

Living Free Vitamins, Joint, Nerve and Other Supplements Recalled

On June 21, 2021, Bea Lydecker's Naturals, Inc. issued a recall of six Living Free brand supplements because the labels do not declare soy lecithin.

Recalls & Warnings

May 09, 2022

Natural Organics Keto Capsules Recalled Due to Gluten

On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.

Recalls & Warnings

April 11, 2013

Chinese Herbal Manufacturer Warned For CGMP Violations

On March 20, 2013, the FDA issued a warning letter to Finemost Corporation, dba Qualiherb, following a facility inspection which found the company's supplements, including Yi Zhi Tang and C.

Recalls & Warnings

February 18, 2020

Seller of CoQ10, Resveratrol and More Warned for Manufacturing Violations

On February 5, 2020, the FDA issued a warning letter to R-Garden LLC, which found the company's Vitamin O, Gamma-Zyme, L.

Recalls & Warnings

April 10, 2021

Three More Male Enhancement Products Recalled Due to Undeclared Drugs

Between March 30 and April 5, 2021, three companies issued recalls of their male enhancement capsules because FDA analysis found them to contain sildenafil and/or tadalafil.

Recalls & Warnings

September 11, 2020

Seller of "COVID PACK" Warned for Coronavirus Claims

On September 9, 2020, the FDA issued a warning letter to Pharmacy Plus, Inc. dba Vital Care Compounder for selling COVID PACK and COVID 'POSITIVE' PACK products with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

October 15, 2020

FDA Warns Five Sellers of Dangerous Cesium Salt Supplements

On October 9, the FDA issued warning letters to five companies for selling products containing cesium chloride. The FDA has previously warned consumers not to use dietary supplements containing cesium chloride or any other cesium salt.

Recalls & Warnings

June 30, 2020

FDA Warns Seller of Alpha Lipoic Acid, Berberine, and More

On June 18, 2020, the FDA issued a warning letter to Only Natural, Inc. dba Bio Nutrition, Inc.

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.

Recalls & Warnings

August 05, 2016

Seller of Fertilix Warned By FDA

On July 22, 2016, the FDA issued a warning letter to CellOxess LLC, following a review of the company's websites, social media pages and marketing literature which found statements made about Fertilix Preconceptual, Fertilix Low Dose and Fertilix Max to be drug claims.

Recalls & Warnings

August 31, 2012

Recent Cases of Lead Poisoning From Ayurvedic Medications from India

Public health officials have reported six cases of lead poisoning among foreign-born women who took Ayurvedic herbal products imported from India. The cases were reported by the New York City Department of Health and Mental Hygiene.

Recalls & Warnings

February 13, 2014

Seller of Iron, Prostate, Valerian and Other Supplements Warned For Multiple Violations and Drug Claims

On January 31, 2014, the FDA issued a warning letter to NatureAll-STF Holding, LLC, following a facility inspection which found the company's products, including Colostrum, Valerian-Plus, Wormwood, Black Walnut-Plus, Lung-Plus, Yucca-Plus (Arthro Plus), Iron Plus, MSM Plus, White Willow Plus, ...

Recalls & Warnings

June 23, 2016

Protein Drinks Recalled Due to Possible Spoilage

On June 22, 2016 Bolthouse Farms issued a recall of the protein drinks listed below due to possible spoilage that may cause the beverages to appear lumpy, taste unpleasant and have an off odor.

Recalls & Warnings

February 20, 2013

Recall: Arthritis and Muscle Pain Supplement Contains Prescription Drugs

On February 15, 2013, Reumofan Plus USA, LLC and Reumofan USA, LLC announced a recall of Reumofan Plus, a dietary supplement promoted for arthritis and muscle pain, because it was found to contain the active pharmaceutical ingredients methocarbamol, dexamethasone, and diclofenac.

Recalls & Warnings

August 22, 2012

FDA Warns of Life-Threatening Side Effects and Withdrawal Symptoms from Two Arthritis, Muscle Pain Supplements

On August 21, 2012, the FDA issued a warning to consumers about the dangers of taking Reumofan Plus and Reumofan Plus Premium, two dietary supplements marketed for arthritis, osteoporosis and muscle pain.

Recalls & Warnings

June 04, 2012

FDA Warning on Supplement for Pain Relief

On June 1, 2012, the U.S. FDA warned consumers that Reumofan Plus, marketed as a “natural” dietary supplement for pain relief and other serious conditions, contains several active pharmaceutical ingredients not listed on the label that could be harmful.

Recalls & Warnings

September 13, 2013

Metagenics Warned For Misbranding of Medical Foods and Drug Claims

On August 13, 2013, the FDA issued a warning letter to Metagenics, Inc.

Recalls & Warnings

December 21, 2012

Dangerous Supplement Being Sold Under New Name

On December 21, 2012, the FDA warned consumers that Reumofan Plus, a dietary supplement promoted for arthritis and muscle pain that has been linked to serious and sometimes fatal side effects, is now being sold under the name WOW.

Recalls & Warnings

September 10, 2014

Seller of Joint Pain Supplement Warned for Drug Claims

On August 24, 2014, the FDA issued a warning letter to CreAgri, Inc., following a website review, which found statements made about the company's products, including Olivenol plus Easeflex, Olivenol plus Essence Capsules, and Olivenol plus Essence Elixer, to be drug claims.

Recalls & Warnings

November 07, 2015

Seller of "NaturalDoctor" Vitamin C, Echinacea and More Warned for Manufacturing Violations

On October 16, 2015, the FDA issued a warning letter Sound Healing Arts, PC, dba Grounds for Tea, LLC, following a facility inspection which found the company's products, including  NaturalDoctor Vitamins C & K3, NaturalDoctor Goldenseal & Echinacea Plus, NaturalDoctor Centella ...

Recalls & Warnings

June 30, 2013

Warning Over Excessive Iodine Intake From Supplements, Including Kelp

On June 5, 2013, the American Thyroid Association (ATA) advised that children and adults, including pregnant and lactating women, consume no more than 500 mcg of iodine daily from iodine and kelp supplements.

Recalls & Warnings

September 08, 2011

FDA Warns Several Supplement Manufacturers Not Following Good Manufacturing Practices

In recent weeks, the U.S. FDA has sent warning letters to several supplement manufacturers regarding deficiencies identified during audits of their facilities and not adequately corrected. Use the links below to access the Warning Letters on the FDA website.

Recalls & Warnings

March 28, 2011

Dangerously High Levels of Vitamins A and D in Product Prompt FDA Warning

On March 28, the U.S. FDA warned consumers to stop using Soladek, a vitamin-solution product marketed by Indo Pharma, S.A., of the Dominican Republic, because the product may contain dangerously high levels of vitamins A and D.

Recalls & Warnings

October 29, 2008

Two Vitamin C Supplements Recalled in Canada for Vitamin A Risk

On October 28, 2008, Health Canada warned Canadians, expecially expectant mothers, not to use two vitamin C products sold under the brand names New Roots Herbal Vitamin C8 and Vitazan Professional Vitamin C Advanced Ascorbate.

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

April 23, 2013

Seller of Digestion, Thyroid and Vitamin D Supplements Warned For Drug Claims

On November 5, 2012, the FDA issued a warning letter to The Women's Health Institute at Texas following a review of the company's various websites which found statements made about Digest + SEB, Iodine Plus 2, and D5000 Vitamin D dietary supplements to be drug claims.

Recalls & Warnings

November 21, 2012

Maker of Blood Pressure, Probiotic, Resveratrol and Hormonal Supplements Warned For Manufacturing Violations and Drug Claims

On November 2, 2012, the FDA issued a warning letter to Atrium, Inc. following a facility inspection which found a number of the company's dietary supplements to be adulterated or promoted as drugs.

Recalls & Warnings

January 18, 2002

Recall of Pepsin-containing Digestive Supplements

The U.S. Food and Drug Administration (FDA) released the following Class I recall information in its January 16, 2002 Enforcement Report.

Recalls & Warnings

January 18, 2005

Sellers of “Fat Trapper Plus” and “Exercise in a Bottle” Banned from Advertising Weight-Loss Products

On January 18, 2005, the Federal Trade Commission (FTC)announced that Enforma Natural Products, Inc.

Recalls & Warnings

March 01, 2013

Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims

On February 4, 2013, the FDA issued a warning letter to DC Nutrition, Inc.

Recalls & Warnings

October 24, 2012

FDA Seizes Many Supplements from New York Company Due To Drug Claims

On October 23, 2012, U.S. Marshalls, acting on behalf of the FDA, seized dietary supplements and unapproved drugs from Confidence, Inc., a supplement manufacturer in Port Washington, N.Y. The products included dietary supplements Dr.

Recalls & Warnings

August 21, 2013

Seller of Vitamin, Tea and MSM Supplements Warned For Drug Claims

August 7, 2013, the FDA issued a warning letter to Vibrant Life Vitamins, following a review of the company's websites which found statements made about Taheebo Life Tea, Life Glow Plus, Super Life Glow, Life Glow Basic, Vibrant Life MSM, Herbal MSM, and Organic Germanium to be drug claims. 

Recalls & Warnings

March 14, 2014

Arthritis and Muscle Pain Supplement Recalled

On March 12, 2014, Pain Free By Nature issued a recall of Reumofan Plus tablets sold on the company's website, www.painfreebynature.com, because it was found to contain the active pharmaceutical ingredients methocarbamol and diclofenac.

Recalls & Warnings

December 19, 2015

"Thirty Plus" Contains Hidden Drug

On December 18, 2015, the FDA warned consumers not to buy or use the weight loss supplement Thirty Plus because it was found to contain sibutramine.

Recalls & Warnings

June 15, 2016

More Nutrition Bars Recalled Due to Listeria Risk

The following nutrition bars are being recalled because they contain sunflower kernels or may have come in contact with equipment processing sunflower kernels which have the potential to be contaminated with Listeria monocytogenes (use the links below for affected lot numbers, UPC, and/or ...

Recalls & Warnings

February 06, 2016

Marketers of Weight Supplements AF Plus and Final Trim Violated Consumer Protection Laws, Says FTC

On January 19, 2016, the Federal Trade Commission (FTC) and State of Maine's Office of the Attorney General charged marketers of weight loss supplements AF Plus and Final Trim with violating consumer protection laws.

Recalls & Warnings

January 16, 2014

Seller of Tea Supplements and Drinks Warned For Manufacturing Violations and Drug Claims

On December 31, 2013, the FDA issued a warning to Prestige Chinese Teas Company, Inc.

Recalls & Warnings

November 20, 2013

Three Sexual Enhancement Supplements Recalled

On November 16, 2013, Jobbers Wholesale issued a voluntary recall of sexual enhancement supplements Rhino 5 Plus, Maxtremezen, and Extenzone because they were found to contain the undeclared drugs desmethylcarbondenafil and dapoxetine.

Recalls & Warnings

May 17, 2013

Hoodia, Sexual Enhancement Supplements and More Found To Be Adulterated, Misbranded

On March 01, 2013, the FDA issued a warning letter to Desert Rose Manufacturing, Inc.

Recalls & Warnings

April 21, 2012

FDA Finds Prescription Drug Analog in 3 Enhancement Supplements

On April 20, 2012, the U.S. FDA advised consumers not to purchase or use the following supplements from Enhance Nutraceutical: "Instant Hard Rod," "RigiRx Plus," and "Zen Maxx." FDA laboratory analysis confirmed that each contains aminotadalafil.

Recalls & Warnings

July 05, 2012

FDA Warns Good Herbs Inc. of Manufacturing Violations and Drug Claims

The FDA issued a warning letter to Good Herbs Inc. on May 24, 2012, after a facility inspection found the company to be in violation of current manufacturing regulations, including lack of documentation and written procedures.

Recalls & Warnings

June 13, 2012

Lack of Quality Control and Unapproved Claims by Supplement Seller

On May 14, 2012, the U.S. FDA sent a Warning Letter to Caribe Natural, LLC, distributor of GERMA brand dietary supplements, regarding violation of various FDA requirements.

Recalls & Warnings

June 18, 2016

Antioxidant Supplement Recalled Due to Allergen Risk

On June 17, 2016 GMJ Natural Products Inc. issued a recall of 32 fluid oz. jugs of Jugo Moringa Plus Antioxidant because they contain undeclared whey protein.

Recalls & Warnings

January 17, 2018

Joint and Pain Relief Product Contains Undeclared Drug

On January 17, 2018 Health Canada warned consumers that Linsen Double Caulis Plus, a supplement for joint pain, was found to contain the undeclared drug dexamethasone.

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

November 06, 2014

Seller of Prostate, Heart Supplements and More Warned for Drug Claims

On October 9, 2014, the FDA issued a warning letter to Health Research Laboratories, LLC/New World Health, following a review of the company's websites, which found statements made about AtheChel Advanced, Betarol, BioTherapex, Omega-3 Cardio Plus, RejuvaLifeRx, and Ultimate Health Formula to be ...

Recalls & Warnings

February 19, 2014

Seller of Sexual Enhancement Supplements Warned For Manufacturing Violations

On February 11, 2014, the FDA issued a warning letter to Maximus Niterider International Group, Inc.

Recalls & Warnings

October 24, 2015

Eight Enhancement Supplements Found to Contain Undeclared Drugs

On October 23, 2015, the FDA warned consumers not to buy or use the following three sexual enhancement supplements because they were found to contain an undeclared sildenafil or similar drugs (some were identified during an examination of international mail shipments): 

Recalls & Warnings

January 17, 2015

Maker of Magnesium and Potassium Supplements Warned for Manufacturing Violations

On December 23, 2014, the FDA issued a warning letter to Nutri Spec, Inc.

Recalls & Warnings

December 30, 2014

Maker of Aloe, Weight Loss Supplements and More Warned for Manufacturing Violations, Drug Claims

On December 17, 2014, the FDA issued a warning letter to Dandy Day Corporation, following a facility inspection which found the company's products, including Aloe Pearl, Alfalo, Aloespring, Crave Away, Original Supreme Energy, Ener "G," Can G, Flora G, Flora G Plus, and Garolic, to be adulterated ...

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

December 23, 2015

"Bee Extremely Amazed" Recalls Weight Supplements

On December 22, 2015, Bee Extremely Amazed LLC issued a voluntary recall of all lots of the following weight loss supplements, which were found to contain sibutramine and phenolphthalein: 

Recalls & Warnings

December 05, 2018

Seller of Cold and Flu Supplements, "SuperFood" & More Warned by FDA

On October 30, 2018, the FDA issued a warning letter to American Botanical Pharmacy following a review of the company's website (www.herbdoc.com) and Facebook page, which found statements made about some of its products to be drug claims.

Recalls & Warnings

July 31, 2018

FDA Warns Seller of Joint Health and Cholesterol Supplements

On July 13, 2018, the FDA issued a warning letter to GC Natural, following a facility inspection which found a number of the company's products, including Red Pyrola Plus + Advanced Joint Formula Capsules, CSDP GOLD Capsules, Rejeune Optimal Kidney & Liver Support Extract balls, C.

Recalls & Warnings

December 20, 2013

Five Weight Loss Supplements Found to Contain Undeclared Drug

On December 19, 2013, the FDA warned consumers not to buy or use the weight loss supplements listed below because they were found to contain undeclared sibutramine.

Recalls & Warnings

January 17, 2012

Recall of Calcium-Vitamin D Product That's Actually Glucosamine -- Allergy Alert

As published on the U.S. FDA's website, Rexall Inc. announced a recall on January 16, 2012 of Rexall Calcium 1200 mg plus 1000 IU Vitamin D3, 60 softgels. The affected bottles actually contain a TABLET product, Triple Strength Glucosamine Chondroitin and MSM Tablets.

Recalls & Warnings

February 29, 2008

FTC Sues Sellers of Weight-Loss Pills for False Advertising

On February 8, 2008 the The Federal Trade Commission (FTC) charged a business operation with violating federal law by falsely claiming that its weight-loss pills cause users to lose weight without dieting or exercise.

Recalls & Warnings

July 13, 2005

Recall of Multivitamins with Iron Lacking Child-Resistant Caps

On July 12, 2005, The U.S. Consumer Product Safety Commission in cooperation with NBTY, Inc. announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed.