Product Reviews and Information for Sleep Apnea
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Product Review
Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements

CL Answer
10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)
Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.

CL Answer
Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.

CL Answer
Which supplements and lifestyle changes improve sleep, and which cause insomnia?
Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.

CL Answer
I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium.

Product Review
L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review
Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.

CL Answer
Which supplements, foods or diet and lifestyle changes help relieve acid reflux (heartburn), and which worsen it?
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.

Product Review
Melatonin Supplements Review
Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Product Review
Valerian Supplements Review
Choose the Best Valerian Supplement. Strength and Contamination Vary Widely Among Popular Valerian Brands.

CL Answer
Do Any Supplements Improve Dry Mouth (Xerostomia) or Make It Worse?
Find out if any supplements, topical formulations (patches, rinses, lozenges, toothpastes, sprays, gels or gums), or lifestyle modifications reduce dry mouths symptoms.

Product Review
Saffron Supplements Review
See How Saffron Supplements Compare and What They Do

CL Answer
Does taking zinc help with sleep?
Taking zinc to help you sleep? Find out if taking zinc really can help with sleep and insomnia. ConsumerLab.com's answer explains.

CL Answer
Does Nello SuperCalm Drink Mix Work and Is It Worth Its Price?
Nello SuperCalm Drink Mix is promoted for sleep, stress, anxiety and cognition, but does it work and is it worth its price? Find out.

CL Answer
Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression," or circadian rhythm disorders such as jet lag? Which light boxes are best?
Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.

CL Answer
Which supplements have been shown to be helpful for autism, and which have not?
Find out which supplements may help reduce symptoms of autism, including multivitamins, probiotics, and melatonin.

CL Answer
What are the side effects of ashwagandha supplements?
Learn about the safety and side effects of ashwagandha supplements, including headache, sleepiness, upset stomach, blood pressure and more. ConsumerLab.com's answer explains.

Recalls & Warnings
April 15, 2003
FTC Requires Scientific Evidence for "Snore Formula" Claims
On April 15 2003, the U.S. Federal Trade Commission (FTC) announced that an Arizona-based company, Snore Formula, Inc., its officers, and a distributor have agreed to settle FTC charges that they failed to have scientific substantiation for the claims made for "Dr.
CL Answer
Does Bacopa extract improve memory, mood, or sleep? Is it safe?
Find out if bacopa improves memory and cognition, mood or sleep, and whether it's been shown to be helpful in people with Alzheimer's disease or dementia. Plus, learn about the safety and common side effects of bacopa.

CL Answer
Can any supplements improve or worsen symptoms of fibromyalgia?
Find out if any supplements may help improve fibromyalgia symptoms, learn which supplements do not seem beneficial, and find out if any supplements worsen symptoms.

CL Answer
I started taking red yeast rice and soon after developed insomnia. Could my red yeast rice supplement be the problem?
Does red yeast rice make you tired and cause insomnia? ConsumerLab explores this question and other red yeast rice questions. Learn more at ConsumerLab.com.

CL Answer
What are the health effects of apigenin and is it safe?
Apigenin, a flavonoid compound, is promoted for sleep, depression, cancer, and other conditions. Find out if it works and if it's safe.

CL Answer
Do any supplements help with restless legs syndrome?
Find out whether supplements or vitamins like iron, magnesium, vitamin E and others can help for restless leg syndrome (RLS). ConsumerLab.com's answer explains.

CL Answer
Do supplements help with Parkinson’s disease treatment or prevention?
Learn what has been shown with vitamins D and E, niacin, CoQ10, melatonin, creatine, SAMe, NAC, valerian, CoQ10, and CBD, as well as with coffee and the Mediterranean and MIND diets for treating and/or preventing Parkinson's disease.

Recalls & Warnings
February 22, 2021
FDA Warns Seller of Melatonin & Other Sleep Supplements
On February 18, 2021, the FDA issued a warning letter to SANA Group LLC following a review of the company's website, which found statements made about the company's products Sleep Sana Sleep Drops and Sleep Shots to be drug claims.
Recalls & Warnings
July 21, 2003
FTC Stops False Advertising of Heavily Promoted Supplements for Breast Enhancment, Male Virility, and Snoring
On June 10, 2003, the Federal Trade Commission (FTC) announced that infomercial marketers Wellquest International, Inc. and Tony Hoffman Productions, Inc.
Recalls & Warnings
December 26, 2024
Sleep Supplement Recalled Due to Undeclared Soy
On October 30, 2024, Deseret Biologicals Inc. recalled 2,547 bottles of DesBio lunaSOMM Natural Sleep Support Dietary Supplement capsules, which are labeled as containing phosphatidylserine from sunflower lecithin powder but contain undeclared soy lecithin.
News Release
February 01, 2024
Best Melatonin Supplements for Sleep? ConsumerLab Selects Its Top Picks
White Plains, New York, February 1, 2024 — Melatonin supplements can help you fall asleep faster, but with so many different products on the market, which provide the best quality and value? To find out, ConsumerLab recently tested 20 popular melatonin supplements, including capsules, tablets, ...
News Release
March 25, 2020
Trouble Sleeping? ConsumerLab Tests Reveal the Best Melatonin Supplements
White Plains, New York, March 25, 2020 — Melatonin supplements can help you fall asleep faster, and some may help you stay asleep.
News Release
March 04, 2020
CBD Most Often Used for Pain, Then Sleep, According to CL Survey. Half of Users Think It Works.
White Plains, New York, March 4, 2020 — A recent survey of 9,782 people who use dietary supplements found that 14.5% of respondents purchased CBD (or hemp extract, which is a source of CBD) in 2019. The survey asked those people what they used CBD for and whether or not they thought it worked.
News Release
July 31, 2018
Best L-Tryptophan and 5-HTP Supplements Identified by ConsumerLab -- ConsumerLab Tests Strength and Purity of Supplements for Sleep and Mood
White Plains, New York, July 31, 2018 — L-tryptophan supplements are often promoted to improve sleep and 5-HTP supplements to help with depression.
News Release
September 26, 2017
ConsumerLab.com Explains How to Take Melatonin and Reveals Its Top Supplement Picks
White Plains, New York, September 26, 2017 — Melatonin is now one of the most popular supplements, largely due to its proven ability to trigger sleep.
News Release
May 28, 2015
ConsumerLab.com Shows How to Choose the Right Melatonin Supplement for Sleep
White Plains, New York, May 28, 2015 — An estimated 60 million Americans experience insomnia each year, according to the National Institutes of Health, and they increasingly turn to the supplement melatonin for potential help. In fact, U.S. sales of melatonin increased 16.
News Release
October 23, 2013
Valerian “Sleep” Supplements Vary Widely in Key Compounds and Two Fail Tests for Lead Contamination
White Plains, New York — October 23, 2013 — Valerian root powders and extracts are popular herbal sleep aids and may have anti-anxiety effects, but few products on the market provide the amounts of compounds typically used in clinical trials, and some are contaminated with lead, ...
News Release
November 29, 2011
ConsumerLab.com identifies many quality melatonin sleep supplements, but prices range from 4 cents to over $1 for the same dose
White Plains, New York — November 29th, 2011 — Can melatonin help you sleep? "Melatonin supplements may help some people get to sleep sooner, particularly those with chronic sleeping problems, but don't just buy any supplement - they vary significantly in strength, dosage, and cost," ...
Recalls & Warnings
December 18, 2006
Canada Warns of Herbal Sleep Product Containing Rx Drug
On December 18, 2006 Health Canada advised consumers not to use a product called Eden Herbal Formulations Sleep Ease Dietary Supplement, because it was found to contain an undeclared drug estazolam, which can be habit-forming when used for as little as a few months.
News Release
November 10, 2010
Only 22% of valerian herbal sleep supplements selected for review pass tests for quality by ConsumerLab.com
WHITE PLAINS, NEW YORK — NOVEMBER 10, 2010 — ConsumerLab.com reported that most of the valerian herbal supplements recently selected for testing contained less of the herb than expected and/or were contaminated with lead.
News Release
October 02, 2008
ConsumerLab.com finds melatonin supplements range in strength but ingredient quality is high
WHITE PLAINS, NEW YORK — OCTOBER 2, 2008 — ConsumerLab.com announced test results today from its new Product Review of Melatonin Supplements. Melatonin supplements may help treat certain sleep disorders and disturbances, including jet lag.
News Release
August 15, 2006
Over 70% of herbal sleep supplements fail tests for quality by ConsumerLab.com — Results for 16 valerian products released today
WHITE PLAINS, NEW YORK — AUGUST 15, 2006 — Most of the valerian dietary supplements recently tested by ConsumerLab.com were low in potency and/or contaminated, the testing company reported today. Valerian, an herbal sleep aid, accounts for approximately $50 million in sales in the U.S.
News Release
March 29, 2006
ConsumerLab.com reports on 29 popular melatonin sleep supplements
WESTCHESTER COUNTY, NEW YORK — MARCH 29, 2006 (UPDATED APRIL 7, 2006) — ConsumerLab.com announced test results today from its new Product Review of Melatonin Supplements covering 29 products.
News Release
July 07, 2004
ConsumerLab.com finds several herbal sleep supplements fail tests for quality — Results for 13 valerian products released today
WHITE PLAINS, NY — Wednesday, July 7, 2004 — ConsumerLab.com announced today that five valerian dietary supplements failed to pass recent testing due to low potency and/or contamination. Valerian, an herbal sleep aid, accounted for $47 million in sales in the U.S.
Recalls & Warnings
March 10, 2025
Probiotics and Prebiotic Gummies Recalled
On January 17, 2025, Health and Happiness (H&H) LLC.
News Release
December 30, 2002
Top quality melatonin products identified by ConsumerLab.com — Hormone supplement used to treat sleep disturbances due to jet travel and other causes
WHITE PLAINS, NY — December 30, 2002 — In its latest Product Review, ConsumerLab.com found that 16 of 18 melatonin dietary supplements met their label claims and were free of lead contamination.
Recalls & Warnings
August 31, 2006
Canada Advises Consumers Not To Use Adulterated Sleep Supplement
On August 30, 2006, Health Canada (the Candian Health Ministry) Health Canada advised consumers not to use Salt Spring Herbals Sleep Well Dietary Supplement because a sample analyzed by Health Canada has been found to contain the undeclared drug estazolam, a sedative that can be habit-forming when ...
News Release
July 09, 2001
Many herbal sleep products lack key claimed ingredient — Results of ConsumerLab.com's testing of valerian products released on web today
WHITE PLAINS, NY — July 9, 2001 — ConsumerLab.com, an independent evaluator of dietary supplements and nutrition products, today released results of its Product Review of valerian supplements — used primarily as sleep aids and minor tranquilizers.
Recalls & Warnings
April 10, 2025
MTM OPS Men’s Multivitamin Recalled
On April 9, 2025, MTN OPS, LLC recalled 7,546 bottles of MTN OPS MULTI-V Men's Daily Multivitamin dietary supplement because it contains undeclared soy flour.
Recalls & Warnings
August 07, 2025
Herbalife “Relaxation Tea” Recalled
On July 21, 2025, Herbalife International of America recalled 5,888 units of its Relaxation Tea because an incorrect ingredient was received from the supplier and used in the manufacturing ...
Recalls & Warnings
May 30, 2024
Young Living Essential Oils Agrees to Pay $5 Million to Settle Lawsuit
Young Living Essential Oils has agreed to pay up to $5 million to settle a class action lawsuit that charged the company with promoting its essential oils to reduce stress and anxiety, improve sleep, and other health-related claims without reliable scientific evidence.
Recalls & Warnings
June 05, 2020
Seller of CBD, Sleep Aids, and Cold & Flu Products Warned for Manufacturing Violations
On April 28, 2020, the FDA issued a warning letter to The Dragontree Apothecary LLC, which found the company's Sleep Support, Anxiety Relief, Cold & Flu Relief, and Inflammation Relief to be adulterated because they were prepared, packed, or held under conditions that ...
Recalls & Warnings
December 19, 2020
FDA Finds Unapproved Drugs in Many Weight Loss and Sexual Enhancement Products Sold Online
On December 18, 2020, the FDA warned consumers that certain products promoted for weight loss, body building, sexual enhancement, pain relief, sleep, and other uses because may contain harmful ingredients.
Recalls & Warnings
June 05, 2020
LifeHealth Science Warned for Manufacturing Violations
On May 15, 2020, the FDA issued a warning letter to LifeHealth Science, which found the company's ORËÁ product to be adulterated because it was prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.
Recalls & Warnings
July 11, 2014
Maker of Cough and Sleep "Remedies" Warned for Drug Claims
On June 27, 2014, the FDA issued a warning letter to Zarbee's, Inc.
Recalls & Warnings
July 27, 2012
Prescription and Street Drug Alternatives Found in Male Enhancement, Mood, and Sleep Supplements
On July 10, 2012, the FDA issued a warning letter to Evol Nutrition Associates, Inc. subsequent to a 2011 inspection which found a number of the company's products contained prescription and investigational drugs and were misbranded.
Recalls & Warnings
August 16, 2013
Maker of Energy, Weight Loss, Sleep and Vitamin D Supplements Warned for Manufacturing Violations
On July 22, 2013, the FDA issued a warning letter to N.V.E. Pharmaceuticals, Inc.
Recalls & Warnings
August 08, 2013
Sleep Supplement Recalled Due To Undeclared Drugs
On August 7, 2013, Health and Beyond LLC issued a voluntary recall of dietary supplement Tranquility because it was found to contain traces of undeclared drugs, Doxepin and Chlorpromazine.
Recalls & Warnings
April 18, 2013
Cardio, Energy and Sexual Enhancement Supplement Distributor Warned For Manufacturing Violations and Drug Claims
On December 21, 2012, the FDA issued a warning letter to ForMor Inc, dba ForMor International, following a facility inspection which found the company's Cardio Cocktail and Argenix dietary supplements to be adulterated because because they were prepared, packed, or held under conditions that do ...
Recalls & Warnings
April 03, 2014
Maker of Green Coffee Bean Extract and Weight Loss Supplement Warned for Manufacturing Violations
On March 13, 2014, the FDA issued a warning letter to Libi Labs, Inc.
Recalls & Warnings
March 19, 2014
Maker of Herbal Capsules and Extracts Warned for Manufacturing Violations
On September 19, 2013, the FDA issued a warning letter to Herbalist and Alchemist, Inc.
Recalls & Warnings
December 19, 2013
Maker of Joint Health Supplements Warned for Manufacturing Violations
On December 4, 2013, the FDA issued a warning letter to PurQuality, LLC.
Recalls & Warnings
October 25, 2013
Supplement Company Warned For Numerous Manufacturing Violations
On August 2, 2013, the FDA issued a warning letter to DNE Nutraceuticals, Inc., following a facility inspection which found the company's products to be adulterated because they were packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.
Recalls & Warnings
February 28, 2017
Seller of Tea Supplements Warned for Manufacturing Violations
On February 3, 2017, the FDA issued a warning letter to Kumato Labs, following a facility inspection which found the company's products, including CHO WA Tea, COMOXIN IBS Formula and NEMURI Sleep Formula to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
April 03, 2015
Health Canada Suspends Sales of Male Fern Products
On April 2, 2015, Health Canada (the Canadian equivalent of the U.S. FDA) announced it has suspended the licenses of the natural health products containing the ingredient male fern (Dryopteris filix-max), due to concern over the safety of the ingredient when taken at higher doses.
Recalls & Warnings
June 13, 2012
Tart Cherry Supplement Selller Warned by FDA Over Illegal Health Claims
The U.S. FDA recently published a Warning Letter (dated June 8, 2012) to Michelle's Miracle, Inc. for illegally promoting a range of tart cherry dietary supplements using health claims reserved for drugs. The products cited are:
Recalls & Warnings
June 01, 2012
Homeopathic Manufacturer Settles False Advertising Suit
June 1, 2012 — A federal court in California recently authorized the settlement of a class action lawsuit against Boiron Inc. and Boiron USA, Inc.