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Product Review

L-Arginine Supplements Review

Choose the Best L-Arginine Supplement. Find Out Which L-Arginine Supplement Passed CL's Tests.

L-Arginine Supplements Reviewed by ConsumerLab.com

Product Review

Muscle & Workout Supplements Review (Creatine and Branched-chain Amino Acids)

Do Creatine and BCAAs Really Improve Strength and Recovery?

CL Answer

Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?

Find out which supplements may help after weight loss or stomach reducing surgery, including iron and calcium, and which should be avoided.

Bypass Surgery Sign

CL Answer

Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?

Do vitamin B12 Patches like PatchMD really work? Can you absorb vitamin B12 through patches?

Vitamin Patches -- young woman with vitamin patch on arm

CL Answer

I do moderate exercise for about an hour a few times a week. Which supplements might help me, and which should I consider avoiding?

Info on what supplements are best for work out & exercise regimens, including electrolytes, protein, creatine, and BCAAs.

Supplements for Moderate Exercise

CL Answer

What supplements should I stop taking before surgery?

Info on which supplements to avoid before surgery due to increased risk of bleeding or interference with anesthesia.

Supplements to stop before surgery - operating room

CL Answer

OmegaXL Review: Does It Really Work for Joint and Muscle Pain?

Read our in-depth review of OmegaXL to see if it really helps with joint and muscle pain.

Omega XL - Great Health Works

CL Answer

Do any supplements help prevent or reduce eye floaters?

Find out eye floaters (vitreous floaters) be treated with supplements like vitamin C, lutein, ginkgo, milk thistle, collagen or hyaluronic acid, or with products such as VitreousHealth.

How to Reduce Eye Floaters With Vitamins & Supplements -- Close-up of an eye

CL Answer

Do any supplements help prevent or improve cataracts?

Find out which supplements may help with cataracts, including selenium and vitamins A, B1, B3, C, and E.

Doctor Shining Light for Patient Eye Exam

CL Answer

What are the health effects of turkey tail mushroom and is it safe?

Learn about the possible health effects of turkey tail mushroom, including its use as adjuvant treatment for cancer and for boosting immune function, plus get information about possible side effects and find out why ConsumerLab has not yet tested turkey tail products.

Turkey tail mushrooms growing on the side of a tree

CL Answer

Do arnica pills, gels, creams, or sprays reduce bruising, pain, or swelling?

Find out if arnica pills, gels, creams, or sprays can reduce bruising, pain, or swelling, help with varicose veins, or muscle pain after exercise.

Arnica Gel and Cream for Bruises and Pain -- tube of arnica cream

CL Answer

What is the best protein supplement for vegetarians and vegans?

Find out which protein supplements for vegetarians and vegans are best, including those made from whey, casein, soy, rice, pea, and hemp. ConsumerLab.com's answer explains.

Protein Powder Scoop

CL Answer

Does red and near infrared light therapy reduce pain, improve skin or cognition, or have other benefits? Is it safe?

Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.

Woman using a red light device on her lower leg

CL Answer

Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?

Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.

Supplements for Plantar Fasciitis -- Woman With Heel Pain

CL Answer

Can bloodroot or "black salve" treat skin cancer? Is it safe?

Bloodroot salve and black salve made from bloodroot and zinc - are they effective and safe treatments for skin cancer? ConsumerLab.com's answer explains.

Elderly Woman Getting Mole on Back Examined By Doctor

CL Answer

Can vitamin C reduce the pain of shingles?

Can taking vitamin C for shingles help reduce pain and post-shingles pain, otherwise known as post-herpetic neuralgia? ConsumerLab.com's answer explains.

Vitamin C for Shingles (Herpes Zoster) ? -- Doctor's Notes With Shingles Diagnosis Written On It

CL Answer

Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health.

Learn more about collagen supplements, including evidence from clinical studies on arthritis and muscle strength and safety.

Collagen Supplements for Joint Pain

CL Answer

What is graviola? Can it really help fight cancer?

Learn more about graviola, if it can really help fight cancer, and its safety.

Graviola on white background

CL Answer

Are enteric coated supplements better than non-enteric coated ones?

Learn about the pros and cons of enterically coated supplements, including ingredient absorption,safety and price.

Glass of Water and White Pill

News Release

June 08, 2023

Best Muscle and Workout Supplements With Creatine or BCAAs, According to ConsumerLab Tests

White Plains, New York, June 8, 2023 — Creatine supplements are promoted to increase muscle size, strength, and endurance, while supplements with branched-chain amino acids (BCAAs) are promoted to improve exercise recovery.

News Release

July 20, 2022

Best Electrolyte Drinks for Hydration? Note: Some Contain 20 Times More Sodium Than Others

  White Plains, New York, July 20, 2022 — It's important to stay well hydrated, and electrolyte products can help.

News Release

January 15, 2014

Problems Found with the Quality and Labeling of Some "Muscle Enhancement" Supplements -- Review of Creatine and Branched-chain Amino Acid Supplements Published by ConsumerLab.com

White Plains, New York, January 15, 2014 — Athletes often turn to supplements such as creatine and branched-chain amino acids (BCAAs) to enhance muscle strength and recovery. These supplements may also benefit people with muscular diseases and those recovering from knee surgery.

Recalls & Warnings

November 30, 2023

Discover Health, LLC Warned for Promoting CBD Products for Cancer, Epilepsy, & More

On November 16, 2023, the FDA issued a Warning Letter to Discover Health, LLC d/b/a Discover CBD and Strain Snobs following a review of the company’s websites that found statements about the company’s Active CBD Oil – Full Spectrum Distillate Cartridge, Active CBD Oil – ...

News Release

October 26, 2010

ConsumerLab.com reports deficiencies in some B-complex supplements and more caffeine than expected in "shot-sized" B vitamin "energy" drinks

White Plains, New York — October 26, 2010 — Tests of B vitamin supplements, including B-complexes and shot-sized energy drinks, revealed problems with the quality of 4 out of 18 products selected for review by independent testing organization ConsumerLab.com.

News Release

May 05, 2010

Tests of protein powders and drinks show some lead contamination but no melamine -- New report covers whey, soy, and rice protein supplements for body building, endurance/recovery, meal-replacment and dieting

WHITE PLAINS, NEW YORK — MAY 5, 2010 — New tests by ConsumerLab.com found most protein powders, shakes and drinks to meet their nutrient claims, but two products were contaminated with lead (6 to 18 mcg per day) and a third product contained four extra grams of sugar.

News Release

August 20, 2007

ConsumerLab tests products in booming nutrition drink market — most deliver what's promised but extra cholesterol found in some — New report covers drinks and powders for endurance/recovery, body building, meal-replacement and dieting

WHITE PLAINS, NEW YORK — AUGUST 20, 2007 — A new report from ConsumerLab.com finds most nutrition powders, shakes and drinks meet their nutrient claims, but three products — two sports drinks and a meal supplement — contained more cholesterol than claimed.

News Release

November 16, 1999

Only three quarters of Ginkgo Biloba supplements contain proper ingredients. ConsumerLab.com posts first of its dietary supplement product tests.

WHITE PLAINS, NY, November 16, 1999 — Consumers have a one out of four chance of buying a Ginkgo Biloba product that may not deliver the ingredients they are seeking. This is the finding of an independent analysis of products conducted by ConsumerLab.

Recalls & Warnings

May 27, 2025

Lactoferrin Supplement Recalled Due to Undeclared Milk

On April 25, 2025, My Life Inc recalled 65 bottles of Lactoferrin as Apolactoferrin 60 vegetarian capsules, 300 mg per serving which were sold in the U.S. because they contain undeclared milk.

Recalls & Warnings

March 22, 2023

Of Concern: The Daily Post and Hiya

White Plains, New York, March 22, 2023 — An "advertorial" for Hiya Kids Daily Multivitamin appearing on the website "The Daily Post" provided misinformation and suggested that ConsumerLab.com recommended this product, which is completely false.

Recalls & Warnings

April 24, 2023

Terry Naturally and EuroMedica B Vitamins Recalled Due to Allergen Risk

On April 21, 2023, EuroPharma, Inc. issued a voluntary recall of 4 lots of its Terry Naturally BioActive Vitamin B 60 count and 3 lots of its EuroMedica Active B Complex 60 count products due to undeclared milk. No illnesses have been reported to date.

Recalls & Warnings

May 22, 2023

Nature’s Energy Children’s Colostrum Recalled Due to Undeclared Milk

On May 18, 2023, Nature’s Energy issued a recall of six lots of Children’s Chewable Colostrum products due to undeclared milk.

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

July 14, 2022

FDA Warns Company Selling Supplements with Dangerous Steroid-like Substances

On July 6, 2022, the FDA issued a warning letter to Elite Supplement Center LLC and Elite Supplement Training Facility LLC for selling the following products labeled as containing steroid-like substances known as selective androgen receptor modulators (SARMs), which are not permitted in dietary ...

Recalls & Warnings

January 04, 2014

Beware of Supplements Claiming to Treat Brain Injury, FDA Warns

On December 31, 2013, the FDA warned consumers to avoid dietary supplements promoted to prevent, treat or cure concussions and other traumatic brain injuries (TBIs).

Recalls & Warnings

October 08, 2015

FDA Warns Seller of Omega-3 "Concussion" Supplement for Drug Claims

On October 1, 2015, the FDA issued a warning letter to MPH Nutrition, LLC, following a review of the company's website which found statements made about  Re:Mind Recover, a supplement promoted for recovery from concussions, to be drug claims which are not permitted for supplements.

Recalls & Warnings

September 25, 2012

Whey Protein Supplements Recalled Due To Undeclared Allergens

On September 21, 2012, Maine Natural Health, which also sells supplements under the brand name Stronger Faster Healthier, issued a recall of several Whey Protein Concentrate products because the labels do not list the allergens milk, shellfish and coconut.

Recalls & Warnings

December 15, 2020

Mushroom Supplement Seller Warned for Drug Claims

On December 4, 2020, the FDA issued a warning letter to Desert Alchemist LLC following a review of the company's website, social media, and Etsy.com store (www.etsy.

Recalls & Warnings

December 15, 2020

FDA Warns Seller of Evening Primrose Oil and Beta Glucan

On December 2, 2020, the FDA issued a warning letter to Smoky Mountain Naturals, LLC following a review of the company's website, which found statements made about the company's products Evening Primrose Oil and Beta Glucan to be drug claims.

Recalls & Warnings

March 05, 2020

Protein Powder Recalled Due to Undeclared Milk

On March 3, 2020, New Capstone, Inc. issued a recall of ReStructure Vanilla Protein Powder because it may contain undeclared milk.

Recalls & Warnings

October 05, 2019

Advocare to Pay $150 Million to Settle Charges of Operating a Pyramid Scheme

AdvoCare International, the marketing company that sells Spark energy drink, as well as other nutrition products and supplements, has agreed to settle FTC charges that it operated an illegal pyramid scheme.

Recalls & Warnings

July 28, 2020

Iron Supplements Recalled Due to Undeclared Allergen

Between July 23 and 24, 2020, two companies issued recalls of iron supplements because they may contain undeclared milk.

Recalls & Warnings

April 09, 2018

Muscle and Recovery Supplements Recalled Due to Undeclared Milk

On April 6, 2018, AdvoCare International issued a recall of two lots of Muscle Strength and four lots of Nighttime Recovery dietary supplements because they may contain undeclared milk.

Recalls & Warnings

December 26, 2017

Seller of Fish Oil, Vitamin D, Whey Protein and More Warned for Manufacturing Violations

On December 19, 2017, the FDA issued a warning letter to Maine Natural Health, Inc.

Recalls & Warnings

January 30, 2013

Seller of Omega-3 and Emu Oil Supplements Warned For Drug Claims, Misbranding

On November 19, 2012, the FDA issued a warning letter to Emu Products & Management, Inc. after a review of the company's website found statements that promoted the dietary supplements Multi-Omega Gel Caps, Recovery Gel Caps, ARP Gel Caps and the topical skin products Extreme Cryo Gel, F.A.C.E.

Recalls & Warnings

September 10, 2012

Maker of Concussion Recovery Supplement Warned For Making Drug Claims

On August 28, 2012, the FDA issued a warning letter to Trinity Sports Group, Inc. after a review of the company's websites found statements about Neuro Impact Concussion Response Formula constituted drug claims not permitted on supplements. 

Recalls & Warnings

September 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

March 10, 2015

Maker of Magnesium, Calcium, Zinc, B Vitamins and More Warned for Manufacturing Violations, Drug Claims

On January 8, 2015, the FDA issued a warning letter to Complete H2O Minerals, following a facility inspection which found the company's products, including Sulfur Concentrate, Copper, Extra Strength Copper, Extra Strength Magnesium, Extra Strength Zinc, Platinum, Gold, Indium, Molybdenum, ...

Recalls & Warnings

June 27, 2017

Seller of Alpha Lipoic Acid, Cinnamon Supplements and More Warned For Manufacturing Violations

On May 1, 2017 the FDA issued a warning letter to Nature's Vision, Inc.

Recalls & Warnings

February 13, 2019

Supplements Promoted for Alzheimer's Disease and Dementia Sell "False Hope," Warns FDA

On February 11, 2019, the FDA warned consumers to beware supplements promoted to prevent or treat Alzheimer's disease or dementia.

Recalls & Warnings

November 28, 2014

Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims

On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.

Recalls & Warnings

July 06, 2018

Prescript-Assist Probiotic Recall Expanded

On July 6, 2018, LL's Magnetic Clay, Inc., expanded its original recall of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because it may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts.

Recalls & Warnings

June 29, 2018

Prescript-Assist Probiotic Recalled

On June 29, 2018, LL's Magnetic Clay, Inc., issued a recall of certain lots of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because they may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts. 

Recalls & Warnings

February 04, 2013

Protein Supplement Recalled Due To Undeclared Soy and Milk

On January 30, 2013, R-Kane Products, Inc. issued a recall of Z PRO HIGH PROTEIN SUPPLEMENT after an FDA inspection found the potential allergens soy and milk were not listed on individual packet labels of the supplement.

Recalls & Warnings

December 02, 2005

Steroids Detected In Supplement

On November 30, 2005, The Washington Post reported that a dietary supplement marketed to fitness and health enthusiasts on the Internet and in body-building shops contains anabolic steroids, according to a prominent researcher.

Recalls & Warnings

August 03, 2018

Vanilla Almond Breeze Almond Milk Recalled

On August 2, 2018, HP Hood LLC issued a recall of half-gallon (1.89 L) cartons of refridgerated Vanilla Almond Breeze almond milk because the product may contain milk, an allergen not listed on the label.

Recalls & Warnings

April 29, 2010

Vitamin D Overload in Supplement Sickens Users

On April 28, 2010, the New York Post reported that Gary Null, a nutrition promoter, was apparently sickened by his own product, Gary Null's Ultimate Power Meal, due to a manufacturing error that caused an excessive amount of vitamin D to occur in the product.

Recalls & Warnings

April 29, 2014

Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims

On April 1, 2014, the FDA issued a warning letter to Bio-Recovery, Inc.

Recalls & Warnings

February 13, 2014

Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient

On January 31, 2014, the FDA issued a warning letter to Exclusive Supplements Inc.

Recalls & Warnings

January 04, 2014

Smoking Cessation and Anti-Inflammatory Supplements Contain Unapproved Ingredient

On December 13, 2013, the FDA issued a warning letter to Star Scientific, Inc. after the agency noted that the company's smoking cessation supplement CigRx and anti-inflammatory supplement Anatabloc contain anatabine, a chemical not currently allowed in dietary supplements.

Recalls & Warnings

November 18, 2015

Seller of "Hangover" Supplement Warned for Manufacturing Violations & Drug Claims

On September 17, 2015, the FDA issued a warning letter to Life Support Development Ltd, following a facility inspection which found the company's product, including Life Support Hangover Relief to be adulterated because they prepared, packed, or held under conditions that violate ...

Recalls & Warnings

August 04, 2015

Whey, Casein and Colostrum Products Recalled

On August 3, 2015, Nutrition Resource Services, Inc. issued a voluntary recall of certain Just Be Natural (JBN) and Gifted Nutrition powders containing whey concentrate, whey isolate, casein, and colostrum because they contain undeclared milk.

Recalls & Warnings

May 05, 2003

FDA Reports False Claims by Maker of HGH Supplement

On April 30, 2003, the Food and Drug Administration (FDA) announced that Nature's Youth, LLC, of Centerville, Mass., has completed its voluntarily destruction of approximately 5700 boxes (each containing a 30-day supply) of its misbranded product, "Nature's Youth hGH.

Recalls & Warnings

January 27, 2003

FTC Charges Dr. Clark and Related Companies with Making Unsubstantiated Health Claims

The Federal Trade Commission has charged a Switzerland-based company and its U.S. counterpart with making numerous unsubstantiated efficacy claims for a variety of dietary supplements and devices that they sell on the Internet.

Recalls & Warnings

June 15, 2003

FTC Alleges "Heartbar" Made Deceptive Claims About Effectiveness

On June 12, 2003, the Federal Trade Commission (FTC) announced that Unither Pharma, Inc. and United Therapeutics Corporation have agreed to settle FTC charges that they made deceptive claims in advertising for their HeartBar product.

Recalls & Warnings

November 28, 2017

Seven Arrested for Selling Fake Olive Oil in Greece

On November 26, 2017, Greek police arrested and charged seven individuals for fraudulently selling large quantities of sunflower oil as olive oil, as reported in the National Post.

Recalls & Warnings

April 19, 2007

Recall of Another Sex Enhancement Supplement

On April 17, 2007 the Food and Drug Administration (FDA) website posted an announcement that Jen-On Herbal Science International, Inc. is conducting a voluntary nationwide recall of the company's supplement product sold under the name H S Joy of Love. Jen-On Herbal Science International, Inc.

Recalls & Warnings

March 30, 2011

More Protein Supplements Recalled for Salmonella Risk

On March 29, the U.S.