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Recalls & Warnings

September 07, 2007

"Greatest Vitamin in the World" Promoter Investigated

On August 21, 2007, the Arizona Republic newspaper reported that postal inspectors have seized documents at the home and busines of Don Lapre, seller of "The Greatest Vitamin in the World.

Clinical Update

5/27/2015

Adding Vitamin D to Statin Treatment

A recent study among people taking statin medication for high cholesterol showed significant improvements in cholesterol levels when daily vitamin D was added as treatment. Improvements were greatest among those who began with lower blood levels of vitamin D. More details, along with our reviews of products similar to the one used in this study, are found in the Vitamin D Supplements Review >>

Clinical Update

2/16/2017

Vitamin D Reduces Risk of Colds & Flu

A study released today shows that taking vitamin D in a certain way reduces the risk of cold and flu infections by up to 70%. The benefits are greatest for people very deficient in vitamin D. For details, see the "What It Does" section of the Vitamin D Supplements Review (which includes our tests of products) >>

CL Answer

How significant are the risks to drinking tea from China from heavy metals?

Find out which types of tea from China pose the greatest risk of toxic heavy metal contamination, including green tea.

Heavy Metals in Tea From China -- pouring green tea into cup

CL Answer

How much calcium do you need each day, what forms are best, and how much is too much?

Learn about the recommended daily intake of calcium from food & supplements and why taking too much can be harmful. Also, learn about the forms of calcium that are available and which are best.

None

Clinical Update

9/14/2021

Vaccines Compared: Pfizer, Moderna, or J&J

See which vaccine (Pfizer, Moderna, or J&J) now appears to provide greatest protection against COVID-19-related hospitalization.

CL Answer

Which supplements reduce hearing loss?

Can supplements such as alpha-lipoic acid, magnesium, N-acetyl-cysteine, folate or vitamins B-12, C and/or E help prevent or improve symptoms among people with hearing loss due to excessive noise or aging? Find out what the clinical evidence shows, and learn whether Advanced Hearing Formula, a supplement marketed for ear health, is likely to help.

Older man holding his hand up to his ear due to hearing loss

Clinical Update

8/19/2021

Diabetes and Fruit Intake

Eating whole fruits is associated with reduced risk of type 2 diabetes and better blood sugar control. But how much fruit is associated with greatest benefit, and what's the role of apples, bananas, and citrus fruits? See what a recent study showed. It's all in our article: Which supplements and foods can help lower or control my blood sugar?

Clinical Update

Clinical Update

4/14/2020

A Food to Slow Cognitive Decline?

Adherence to a Mediterranean diet was associated with a lower risk of cognitive impairment in a major new study, but only one food within that diet -- fish -- was also linked to slower loss of cognitive function. Find out how many servings of fish had the greatest impact in the What It Does section of the Fish Oil Supplements Review. Also see if fish oil supplements help and see our Top Picks for fish oil.

Also see our Top Picks for canned tuna and salmon.

Clinical Update

4/10/2011

Fish Oil and the Eye

A study of over 30,000 women showed that the risk of developing age-related macular degeneration (AMD) was reduced by up to 42% among those consuming the most fish and highest amounts of omega-3 fatty acids DHA and EPA. Find out the specific types and amounts of fish and the amounts of DHA and EPA associated with the greatest reductions in the risk of AMD. See the Fish Oil Supplements Review for more >>

Clinical Update

9/23/2022

Plant "Meats" & Kidney Stones

Some plant-based "meats" may increase the risk of kidney stones, according to a recent study. Find out which sources of plant-based meats pose the greatest risk in our CL Answer about foods and supplements that may increase the risk of kidney stones.

CL Answer

Does PrimeBiome Improve Aging Skin?

Is there evidence that PrimeBiome or its ingredients improve the appearance of skin, and is it worth its price? Find out.

PrimeBiome

Clinical Update

1/26/2016

Fish Oil Helps in Schizophrenia

A study found that concentrated fish oil greatly reduced symptoms in more people who had recently experienced a first episode of schizophrenia than did a placebo. The greatest effect was on depressive symptoms, which is consistent with other studies which have shown fish oil to reduce depression, particularly in people who do not regularly eat fish.

This impact on depression has also been suggested as one reason why fish oil has shown some benefit in people with cognitive decline. Details about the studies and products used, including our tests and reviews of similar fish oil supplements, are found in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

CL Answer

Which supplements may benefit people with essential tremor, and which should be avoided?

Learn about supplements used for treating essential tremor, including caprylic acid (also called octanoic acid), thiamin (vitamin B1), cannabidiol (CBD), GABA (gamma-aminobutyric acid), and branched-chain amino acids. Find out which work and which don't. Also find out which supplements and food may make essential tremors worse.

Man with essential tremor holding a cup with his right hand and bracing his wrist with his left hand

CL Answer

Do diamine oxidase (DAO) supplements for histamine intolerance really work?

DAO supplement info for histamine intolerance, including diamine oxidase safety, evidence from clinical studies, and dosage.

Person in Pink Shirt Scratching Arm

CL Answer

Do any supplements help with fatty liver disease? Are some diets better than others?

Find out if supplements such as vitamin E, fish oil, milk thistle, curcumin, choline, probiotics, vitamin D, reishi mushroom, or extra virgin olive oil are beneficial for fatty liver disease and learn which diet (Mediterranean, ketogenic, DASH, or fasting diets) seems to have greatest benefit.

Overweight man holding his right side near his liver

CL Answer

Supplements for Attention-Deficit/Hyperactivity Disorder (ADHD): Are Any Helpful?

Dietary supplements are often explored as alternative options or add-on interventions for people with ADHD. Learn which, if any, have shown possible benefit and which don’t seem to help or may interfere with ADHD medication.

Dice spelling adhd

CL Answer

Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks.

Lecithin, phosphatidylcholine and choline - Learn more about the potential link between them and cardiovascular disease.

Increased Heart Risk

CL Answer

Do either phosphatidylserine or phosphatidylcholine help with memory and cognition? How are these supplements different?

Find out if phosphatidylserine or phosphatidylcholine supplements improve memory and cognition.

Brain Puzzle

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

News Release

February 26, 2026

ConsumerLab Survey Shows Growth in Creatine and Magnesium Supplements

White Plains, New York, February 26, 2026 — A recent survey of more than 8,850 people who regularly use dietary supplements shows that, among the 200 most popular supplements, creatine led in growth (+17.

CL Answer

Do Probiotics, Such as Those by Bioma and Pendulum, Boost GLP-1 to Help with Weight Loss?

Discover the differences between probiotics and GLP-1 agonists for blood sugar and weight management. Products discussed include Pendulum Glucose Control, Pendulum GLP-1 Probiotic, and Bioma Gut Health Probiotics.

Scale and measuring tape with capsules

News Release

February 26, 2025

ConsumerLab Survey Shows 21 Most Popular Vitamins and Supplements

White Plains, New York, February 26, 2025 — A recent survey of more than 8,400 people who regularly use dietary supplements shows that among the 212 most popular supplements, those that experienced the greatest absolute growth in popularity during 2024 were biotin (+9.

News Release

February 26, 2024

Latest ConsumerLab Survey Shows Growth in Popularity of Magnesium and Several Smaller Supplements

White Plains, New York, February 26, 2024 — A recent survey of more than 10,000 people who regularly use dietary supplements shows that supplements that experienced the greatest absolute growth in popularity during 2023 were pregnenolone (+7.5 percentage points), magnesium (+4.8 pts), berberine (+4.

News Release

February 24, 2023

Probiotics Rise in Popularity as Vitamin C, Melatonin, and Others Dip in Latest ConsumerLab Survey of Supplement Users

White Plains, New York, February 25, 2023 —A recent survey of 8,600 people who regularly use dietary supplements shows that probiotics (+3.04 percentage points), quercetin (+2.3 pts), and vitamin K (+1.

News Release

February 24, 2022

Consumers Returned to Pre-Pandemic Supplement Usage in 2021, ConsumerLab Survey Reveals

White Plains, New York, February 24, 2022 —A survey of 8,049 people who use dietary supplements shows many supplements that declined in use in 2020 began bouncing back in 2021, such as magnesium (+2.4 percentage points), and CoQ10 (+2.7 pts).

News Release

February 26, 2021

COVID Changed Supplement Popularity in 2020, ConsumerLab Survey Reveals

White Plains, New York, February 26, 2021 — A survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19.

News Release

September 18, 2020

Analysis of CBD Products Shows Price Drop and Lower Levels of THC

White Plains, New York, September 18, 2020 — The recent analysis by ConsumerLab of CBD and hemp extract products revealed a 70% drop in the lowest cost to get CBD since 2018 as well as fewer products containing detectable amounts of THC, a psychoactive compound in hemp.

News Release

February 29, 2020

Collagen and Magnesium Rise in Popularity, as Fish Oil and Curcumin Dip in Latest ConsumerLab Survey of Supplement Users

White Plains, New York, February 29, 2020 — A recent survey of 9,782 people who use dietary supplements shows that collagen (+ 4.1 percentage points), magnesium (+ 2.3 pts) and CBD (+ 2.

News Release

February 24, 2019

CBD and Collagen Rise in Popularity, as Probiotics and Coconut Oil Dip in Latest ConsumerLab Survey of Supplement Users

White Plains, New York, February 24, 2019 — A recent survey of 10,931 people who use dietary supplements shows that CBD oil (+6.3 percentage points), collagen (+3.6 pts), and bone broth (+2.

News Release

February 24, 2018

Magnesium, Curcumin, and Apple Cider Vinegar Rise in Popularity, While Probiotics Dip and Calcium Continues to Decline in Latest ConsumerLab.com Survey of Supplement Users

White Plains, New York, February 24, 2018 — A recent survey of 11,446 people who use dietary supplements shows that magnesium and curcumin and turmeric have leapt into the top 5 most popular dietary supplements, just behind vitamin D, fish oil and CoQ10.

News Release

February 24, 2017

Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest ConsumerLab.com Survey

White Plains, New York, February 24, 2017 — A recent survey of over 9,505 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, probiotics, and multivitamins.

News Release

February 24, 2016

Vitamin D Supplements Jump to Top Spot in Popularity, Surpassing Fish Oil, as Probiotics Rise to #5 Spot Behind CoQ10 and Multivitamins in ConsumerLab.com Survey

White Plains, New York, February 25, 2016 — A recent survey of over 11,000 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, multivitamins, and probiotics.

News Release

February 28, 2015

Use of Magnesium and Probiotics Rise, Multivitamins and Weight Loss Supplements Fall, According to ConsumerLab.com Survey

White Plains, New York, February 28, 2015 — A recent survey of over 10,000 people who use dietary supplements shows the most popular dietary supplement to be fish oil, followed by multivitamins, CoQ10, vitamin D, B vitamins, magnesium, calcium, probiotics, and vitamin C.

News Release

February 13, 2014

Calcium, Vitamin C, and Fish Oil Supplements Drop in Use, Probiotics Rise According to ConsumerLab.com Survey

White Plains, New York, February 13, 2014 — A recent survey of over 10,000 people who use dietary supplements shows that the use of calcium, vitamin C and fish oil supplements fell during 2013 while the use of probiotics increased.

News Release

January 31, 2013

Use of CoQ10, Digestive Enzymes, Probiotics and B Vitamins on the Rise According to ConsumerLab.com Survey

White Plains, New York — February 1, 2013 — A recent survey of over 10,000 people who take supplements shows that CoQ10, digestive enzymes, probiotics, and B vitamins are the four categories experiencing the most growth over the prior year.

News Release

February 05, 2012

Fish oil and multivitamins most popular supplements in ConsumerLab.com survey -- Internet most popular place to shop

WHITE PLAINS, NEW YORK — FEBRUARY 5, 2012 — A survey of over 10,000 savvy consumers of supplements shows the most popular supplements to be fish oil, multivitamins, vitamin D, calcium and CoQ10, in that order.

News Release

January 31, 2011

Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements

WHITE PLAINS, NEW YORK — FEBRUARY 1, 2011 — Among people who use dietary supplements, the most popular products at the end of 2010 were fish oil, multivitamins, vitamin D, calcium and CoQ10 according to a survey by ConsumerLab.com. Use of vitamin D surged in 2010 to 56.

News Release

January 31, 2010

Fish oil becomes most popular dietary supplement in ConsumerLab.com survey; Vitamin D and resveratrol use surge

WHITE PLAINS, NEW YORK — FEBRUARY 1, 2010 — Among people who use multiple dietary supplements, fish oil/omega-3 supplements now top multivitamins in popularity, according to a recent survey by ConsumerLab.com.

News Release

February 03, 2009

Survey shows fish oil nearly as popular as multivitamins among supplement users. Most also take calcium and CoQ10 -- ConsumerLab.com publishes 2009 Report on Vitamin & Supplement Users, including top-rated brands and merchants.

WHITE PLAINS, NEW YORK — FEBRUARY 3, 2009 — Among people who use dietary supplements, fish oil supplements are nearly as popular as multivitamins, according to a recent survey by ConsumerLab.com, which also publishes test reports on supplements.

News Release

January 23, 2008

ConsumerLab.com announces brands and merchants rated highest by dietary supplement consumers

WESTCHESTER, NEW YORK — JANUARY 23, 2008 — ConsumerLab.com announced today the names of brands and merchants which received the highest overall consumer satisfaction ratings in the ConsumerLab.com 2008 Survey of Vitamin and Supplement Users.

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

March 13, 2006

ConsumerLab.com reports on supplements for bone health containing calcium and vitamin D— Results posted for 32 supplements for adults and children; One found contaminated with lead

WESTCHESTER COUNTY, NEW YORK — MARCH 13, 2006 — ConsumerLab.com announced test results today from its new Product Review of Supplements for Bone Health covering 32 adult and children's products containing calcium and vitamin D. Sales of calcium supplements in the U.S.

Recalls & Warnings

June 19, 2011

Vitamin Pitchman Indicted

As reported by CaseWatch.org on June 16, 2011, Donald Lapre has been charged with conspiracy, mail fraud, wire fraud, and money laundering in connection with his marketing of "The Greatest Vitamin in the World.

Recalls & Warnings

July 03, 2020

Seller of "COVID Supplement Protection Pack" Warned for Coronavirus Claims

On June 30, 2020, the FDA issued a warning letter to Center for Wellness and Integrative Medicine for selling the products COVID Supplement Protection Pack (also referred to as the COVID Household Value Pack), Thymosin-Alpha, and Methylene Blue Capsules with unsupported ...

Recalls & Warnings

April 12, 2013

Adverse Event Reports Associated With Dietary Supplements Increase, But Remain Underreported And Underutilized

On March 18, 2013, the U.S. Government Accountability Office (GAO) announced the number of adverse events reports (AERs) for dietary supplements submitted annually to the FDA has doubled in recent years, increasing from 1,119 in 2008 to 2,480 in 2011.