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Product Review

Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review -- Sources of Flavanols

Is Your Chocolate or Cocoa Healthful or Toxic? Find the Best Dark Chocolate, Cocoa Powder and Cocoa Supplements Based On Our Tests.

Product Review

Garcinia Cambogia (HCA) Supplements Review

Find the Best Garcinia Cambogia Supplement. Choose Carefully! Most Garcinia (HCA) Weight Loss Supplements Lack Listed Amount of Ingredient .

Garcinia Cambogia (HCA) Supplements Reviewed by

CL Answer

Is there a difference between taking vitamin D in the dry form versus the oil capsules? Is one better than the other?

Learn more about how to take vitamin D, the best form to take and the best time of time day to take vitamin D.

Is there a difference between vitamin D forms?

CL Answer

Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?

Comparison of essential amino acids vs dietary protein and protein supplements for building muscle.

Hands holding essential amino acid capsules and protein powder

CL Answer

I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.

Learn how to reduce fish oil side effects such as nausea and upset stomach.

Disgusted Woman Holding Fish Oil

CL Answer

Adrenal Fatigue and Adrenal Support Supplements: Do they work and are they safe?

Find out what's really in supplements for adrenal support and adrenal fatigue, including herbal adrenal support supplements and bovine derived adrenal support supplements. Find out if they really work and if they are safe.'s answer explains.

Adrenal Fatigue and Adrenal Support Supplements -- Tired Woman Falling Asleep at Her Desk

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

December 16, 2022

Is Your Chocolate or Cocoa Healthful or Toxic? ConsumerLab Finds Major Differences Among Products.

White Plains, New York, December 16, 2022 — Although dark chocolate and cocoa can be good sources of potentially heart-healthy, antioxidant flavanols, they can also be contaminated with toxic heavy metals such as cadmium and lead – and consumers can’t judge products from their labels.

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

January 23, 2020

We Found the Best Dark Chocolates and Cocoas With the Least Contamination

White Plains, New York, January 23, 2020 — Dark chocolate and cocoa contain antioxidant flavanols that may be good for the heart and mind, but they can also contain high levels of the heavy metal cadmium, which is toxic to kidneys and can soften bones.

News Release

November 19, 2013

Some Popular Weight Loss Supplements Contain as Little as 16% of Listed Ingredient, According to

White Plains, N.Y., November 19, 2013 — Which is the best Garcinia cambogia supplement? Many people have asked this question of since last October when The Dr. Oz Show aired a segment about using this herbal supplement for weight loss but cautioned that Dr.

Recalls & Warnings

November 26, 2019

FDA Warns Companies Selling CBD Products as Dietary Supplements

On November 25, 2019, the FDA issued warning letters to 15 companies for selling products containing CBD (cannabidiol) labeled and marketed as dietary supplements, and/or for making drug claims about these products.

Recalls & Warnings

May 29, 2003

Recall and Warning for Another Sexual Enhancement Supplement Illegally Containing Viagra Ingredient

On May 23, Best Life International, in cooperation with the U.S. Food and Drug Administration, warned consumers not to purchase or consume the product known as Viga.

Recalls & Warnings

April 09, 2003

Recall of Dangerous Sexual Enhancement Supplement Illegally Containing Viagra Ingredient

On April 4, 2003, the U.S. Food and Drug Administration's MedWatch program announced that Ultra Health Laboratories, Inc. and Bionate International, Inc. are warning consumers not to purchase or consume a product known as Vinarol tablets.