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Product Review

Nitric Oxide Supplements (Bodybuilding and Athletic Performance) Review Article

Do Nitric Oxide Supplements Really Work? Find Out If Nitric Oxide Supplements Really Build Muscle or Improve Performance.

Nitric Oxide Supplements Review

Product Review

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

Do Creatine and BCAAs Really Improve Strength and Recovery?

Product Review

Electrolytes & Sports Drinks Review

See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

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.

CL Answer

Does coconut water help re-hydrate as well as sports drinks?

Find out how coconut water compares to sports drinks, including rehydration and possible side effects.

Coconut Waters Reviewed by ConsumerLab.com

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

Energy Gels: What Are They Used For and Do They Contain Their Labeled Ingredients?

Energy gels are a convenient on-the-go carbohydrate source, but some products may not contain the amount of carbohydrates stated on the label.

Young woman consuming an energy gel while hiking

CL Answer

What are the health benefits of D-ribose and is it safe?

Find out if D-ribose supplementation is beneficial for heart failure, exercise performance, and fibromyalgia and learn if it is safe.

Two measuring scoops and capsules of D-ribose on black countertop

Clinical Update

3/09/2026

Antioxidants in Sports: Helpful or Harmful?

Some antioxidants may be helpful in sports, while others may blunt exercise benefits. See what an expert panel concluded in our article about antioxidants.

Clinical Update

3/26/2026

Coconut Water vs Sports Drink: Which Rehydrates Better?

Is coconut water better than Gatorade or flavored water to rehydrate after a tough workout? A recent study may surprise you. Get the details in our Coconut Water Review, which includes our Top Pick among coconut waters.

Product Update

4/13/2026

Electrolyte Labels Miss the Mark

Many electrolyte powders don’t match what’s listed on the label. See which products over- or under- deliver on sodium, magnesium, and potassium in our Electrolyte & Sports Drinks Review, which includes our Top Picks among electrolyte powders, pills, and drinks.

Clinical Update

12/09/2012

Extra Protein Improves Strength

Whether you are trying to add muscle or just maintain it, a new report suggests that additional protein leads to further gains from resistance-type training. The analysis of 22 clinical studies shows that both young and old individuals who received additional protein from supplements or high-protein foods experienced significantly greater increases in muscle mass and strength than those not getting additional protein. Get the details, as well as our tests and reviews of protein powders and drinks, in the updated Protein Powders and Drinks Review (Including Sports, Nutrition, and Diet Products). More >>

Clinical Update

4/20/2016

Diabetes Cured With Low Cal Diet

A recent study found that type 2 diabetes was reversed in 40% of people who followed an 8-week, very low calorie diet consisting mainly of a diet shake. Get details about the study in the "What It Does" section of the Protein Powders and Drinks Review – for Body Building, Sports & Dieting >>

Clinical Update

8/03/2019

Coconut Oil In Coffee?

Does adding coconut oil to caffeinated coffee boost physical performance? Find out what a recent study showed in the Sports Performance section of the Coconut Oil and MCT Oil Review. Also see our Top Picks among tested coconut and MCT oils.

News Release

April 25, 2019

Best Coconut Water? ConsumerLab Tests Popular Products, Reveals Top Pick

White Plains, New York, April 25, 2019 — Coconut water is often promoted as a healthy way to stay hydrated and a natural alternative to sports drinks.

News Release

January 03, 2019

ConsumerLab Tests Reveal the Best Protein Powders, Shakes and Drinks -- 20% of Protein Powders and Drinks Fail CL's Tests of Quality

White Plains, New York, January 3, 2019 — Combined with resistance exercise, protein supplements can help athletes build muscle and older people prevent muscle loss. They can also help people with diabetes maintain blood sugar levels when consumed as part of a low-calorie diet.

News Release

August 04, 2011

Some coconut waters don't deliver on promises according to ConsumerLab.com

White Plains, New York — August 4, 2011 — Coconut water—the natural juice from green coconuts— is often touted as a natural alternative to sports drinks. But does it really deliver? "It depends on the brand," says ConsumerLab.com President, Tod Cooperman, M.D. ConsumerLab.

Recalls & Warnings

July 24, 2025

Warning: Hidden Dangers in Some Eria Jarensis Sports Supplements

Be aware that sports, energy, focus, and workout supplements that list the botanical ingredient "Eria jarensis" on the label may not be accurately labeled and contain undeclared stimulants or excessive caffeine, according to a recent study.

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 13, 2006

Tests of "muscle" supplements finds some "weak" products but most contain expected creatine, HMB, or amino acids — Review of muscular enhancement supplements published by ConsumerLab.com

WESTCHESTER, NEW YORK — MONDAY, NOVEMBER 13, 2006 — Bodybuilders and athletes often turn to supplements to enhance muscle size and strength.

News Release

March 30, 2005

ConsumerLab.com finds most B-vitamins of high quality but three lacking in ingredients — Test Results for 41 Products Reported Along with Information on Use

WHITE PLAINS, NY — MARCH 30, 2005 — ConsumerLab.com reported test results today for B vitamin supplements that it recently purchased in the U.S. and Canada.

News Release

August 07, 2000

ConsumerLab.com finds that not all creatine supplements meet label claims; Popular sports supplement test results released online

WHITE PLAINS, NY, August 7, 2000 — ConsumerLab.com today released results of its 8th Product Review, focusing on creatine monohydrate dietary supplements.

Recalls & Warnings

September 28, 2022

FDA Warns Muscle Sports for Joint Health, Immune & Workout Supplement, Vitamin C, Elderberry, and Other Claims

On September 23, 2022, the FDA issued a warning letter to Muscle Sports Products, LLC following inspection of the company’s websites which found statements about company products, including Join Revolution Capsules, IMMUNITY + Powder, Rhino Rampage PUMPED Capsules, Attack Pre-Workout ...

Recalls & Warnings

February 22, 2021

Canadian Creatine Recalled for Dangerous Levels of Vitamin D

On February 21, 2021, the Canadian company Genex Nutraceuticals recalled one lot of Perfect Sports Core Series Pure Creatine (also known as Creatine Powder) because it "contains vitamin D that is not listed on the label, at dangerous levels.

Recalls & Warnings

March 26, 2021

Nine Banned Stimulants Found in Workout, Weight Loss Supplements

Recent analysis of 17 brands of sports/energy and weight loss supplements sold in the U.S. found nine prohibited stimulants formulated into eight different combinations, and none of these combinations have been studied in people.

Recalls & Warnings

June 23, 2020

BioPure Healing Products Warned for Manufacturing Violations

On June 17, 2020, the FDA issued a warning letter to BHP Holdings Inc.

Recalls & Warnings

July 11, 2011

Use of "Sports Drinks" and "Energy Drinks" Discouraged by Pediatric Group

A report from the American Academy of Pediatrics outlines how sports and energy drinks are being misused and provides guidance to decrease or eliminate consumption by children and adolescents.

Recalls & Warnings

November 01, 2013

Protein Shakes Containing Prescription Drug Pose Serious Health Risk

On November 1, 2013, Health Canada warned consumers that Vega One Vanilla Chai (sizes 437g and 874g) and Vega Sport Performance Chocolate nutritional shakes, by Sequel Naturals Ltd., have been found to contain the prescription antibiotic chloramphenicol.

Recalls & Warnings

June 14, 2013

Protein And Nutrition Bars Recalled Due To Undeclared Milk Allergen

On June 13, 2013, the U.S. FDA alerted consumers that Sequel Naturals Ltd., dba Vega, issued a voluntary recall of a variety of Vega One and Vega Sport protein bars because the bars contain undeclared milk.

Recalls & Warnings

June 07, 2013

Nutrition Bars Recalled Due To Undeclared Milk Allergen

On June 6, 2013, Sequel Naturals Ltd. issued a recall of Vega sports, nutrition and energy bars because they contain undeclared milk. Consumption of these bars can cause serious or life-threatening reactions in people with an allergy to milk.

Recalls & Warnings

April 26, 2015

FDA Identifies More Products Listing Synthetic Amphetamine

On April 22, 2015, the FDA issued warning letters to sellers of weight loss and workout supplements that list a synthetic, amphetamine-like compound called beta- methylphenylethylamine (BMPEA) on product labels.

Recalls & Warnings

January 24, 2020

Fat-Burning, Energy Supplement Linked to Heart Trouble

A 33-year-old woman in Australia developed cardiac ischemia (a lack of blood flow to the heart) after taking the "fat burning" supplement Alpha Lean-7, according to a recent report in the Journal of Sports Sciences.

Recalls & Warnings

November 21, 2012

Maker of Probiotic and Sports Drinks Warned For Manufacturing Violations

On November 6, 2012, the FDA issued a warning letter to CocoKefir, LLC stating that the company's Tula's CocoKefir, Tula's Citrus CocoKefir, and Tula's Apple Cinnamon CocoKefir have been prepared, packed or held under conditions which violate Current Good Manufacturing Practices.

Recalls & Warnings

February 13, 2018

American College of Sports Medicine Warns of Energy Drink Dangers

A new statement released by the American College of Sports Medicine (ACSM) highlights the dangers of energy drinks when consumed by children and adolescents, and calls for more studies on the safety and efficacy energy drinks.

Recalls & Warnings

November 17, 2009

Steroids Found in More Body Building Supplements

On November 17, 2009, the U.S.

Recalls & Warnings

April 08, 2015

Does Your Weight Loss or Sports Supplement Contain Synthetic Amphetamine?

A study published on April 7, 2015, reported that among 21 weight loss, sports and cognitive enhancement supplements labeled as containing the plant extract Acacia rigidula, more than half were found to contain a synthetic, amphetamine-like compound called beta- methylphenylethylamine ...

Recalls & Warnings

August 09, 2012

FDA Warns Sports Nutrition Manufacturer of GMP Violations

On June 26, 2012, the FDA issued a warning letter to Parrillo Performance subsequent to a manufacturing and packing facility inspection which found Parrillo products to be adulterated due to current Good Manufacturing Practices (cGMP) violations.

Recalls & Warnings

October 28, 2015

GNC Accused of Selling Supplements with Unlawful Ingredients

On October 22, 2015, Oregon Attorney General Ellen Rosenblum filed a lawsuit against supplement retailer GNC, alleging that the company sold products that were adulterated with BMPEA and picamilon, which are not lawful dietary supplement ingredients.

Recalls & Warnings

July 26, 2013

Safety of Certain Weight Loss and Bodybuilding Supplements Called Into Question

On July 25, 2013, USA Today reported that several supplements, including weight loss, body building and sports nutrition supplements, have come under scrutiny after being found to contain illegal ingredients, or were associated with failed drug tests and adverse events.

Recalls & Warnings

October 16, 2013

Methamphetamine-Like Compound Found In Popular Workout Supplement

A study published on October 14, 2013 (Cohen, Drug Test Analysis 2013) reports that the popular pre-workout energy supplement Craze (Driven Sports) has been found to contain the banned methamphetamine — like compound, N, á-diethylphenylethylamine.

Recalls & Warnings

April 11, 2013

Glutathione Supplement Maker Warned For Manufacturing Violations and Drug Claims

On April 5, 2013, the FDA issued a warning letter to The Glutathione Corporation following a facility inspection which found the company's supplements, including Ultrathione 500 Glutathione, Ultrathione 1000 Sports Pack, Ultrathione Performance, Ultrathione Extreme Performance, Ultrathione Health ...

Recalls & Warnings

April 18, 2014

FDA Questions Ingredient in Workout Supplement

On April 4, 2014, the FDA issued a warning letter to Driven Sports Inc., following a label review which found the company's workout supplement, CRAZE, to be adulterated because it contains the new dietary ingredient Dendrobex.

Recalls & Warnings

March 28, 2017

Yogurt Peanut Crunch Bars Recalled Due to E. Coli Risk

On March 23, 2017, Pro Sports Club of Bellevue, WA issued a recall of 36,957 20/20 Life Styles Yogurt Peanut Crunch bars because they have the potential to be contaminated with Escherichia coli O157:H7.

Recalls & Warnings

April 08, 2016

Large Doses of Stimulant Methylsynephrine Found In Weight Loss Supplements

Amounts of methylsynephrine found in some supplements exceed prescription dosages, according to new study published in Drug Testing and Analysis.

Recalls & Warnings

April 06, 2016

FDA Warns of Stimulant Methylsynephrine In Supplements

On March 31, 2016, the FDA issued warning letters to seven companies selling products containing methylsynephrine (also called p-hydroxyephedrine or Oxilofrine), a stimulant drug which is not permitted in dietary supplements in the U.S.

Recalls & Warnings

May 29, 2018

FDA Warns Seller of "Aromatase Inhibitor" Supplement

On May 18, 2018, the FDA issued a warning letter to Performance Nutrition Formulators LLC d.b.a. VMI Sports because its product Arimistane contains Androsta-3,5-Diene-7,17-Dione, an ingredient that the FDA considers to be a new drug and not a dietary supplement ingredient.

Recalls & Warnings

August 07, 2011

Performance Enhancing Ingredient, DMAA, Not Really from Geraniums, Putting Its Use in Supplements in Doubt

On July 29, 2011, the American Herbal Products Association (AHPA) announced a new requirement that products containing the sports performance enhancing compound DMAA (also known as 1,3-dimethlypentlyamine, 1,3 dimethylamylamine, methylhexanamine, or MHA), not be labeled as geranium oil or any part ...

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

July 29, 2009

FDA Warns Against Body Building Supplements with Steroid-like Compounds

On July 28, 2009, the U.S. FDA notified the public about new safety information concerning products marketed for body building and increasing muscle mass.

Recalls & Warnings

October 07, 2011

Recall of Whey Protein Powders Due to Allergens

On October 6, 2010 the FDA posted a recall notice from Prolab Nutrition Inc. (dated September 30) indicating that some of its PROLAB protein powders are being recalled as they may contain undeclared milk, wheat and gluten allergens.

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

November 01, 2017

FDA Warns Sellers of Bodybuilding Supplements Containing Steroid-Like Substances

On October 23, 2017, the FDA issued warning letters to three supplement distributors because several of their bodybuilding products contain selective androgen receptor modulators (SARMs).

Recalls & Warnings

February 14, 2013

Protein Drink Recalled Due To Bacterial Contamination

On December 21, 2012, NBTY issued a voluntary recall of PURE PROTEIN PROTEIN SHOT 25g PROTEIN, GRAPE Flavor PROTEIN DRINK 2.9 fl. Oz. (Manufactured by Worldwide Sport Nutritional Supplements, Inc.) due to potential bacterial contamination.