Reviews and Information for Synergy
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Product Review
SAMe (S-adenosyl-methionine) Supplements Review
Choose the Best SAMe Supplement and Save Money
Product Review
Glutathione Supplements Review
Learn How Glutathione Products Differ, Which Failed, and Our Top Picks
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ
Product Review
Baobab Dried Fruit Pulp Review Article
What Are the Benefits of Baobab Dried Fruit Pulp? Find Out What's In Baobab Super Fruit Products, Safety, Side Effects & More.
CL Answer
My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.
CL Answer
Is it true that NAC can help clear nasal passages?
Find out if N-Acetyl Cysteine (NAC) can help with post nasal drip & general sinus congestion and about supplements that may reduce cold symptoms.
CL Answer
Does tea tree oil work for getting rid of athlete's foot?
Learn more about tea tree oil and its effects on foot fungus (known as athlete’s foot, tinea pedis, or “ringworm” due to the lesion that can occur) and how it can be as effective as some, but not all, over-the-counter antifungal treatments. ConsumerLab explains.
News Release
April 11, 2024
Best CoQ10 & Ubiquinol Supplements According to ConsumerLab Tests
White Plains, NY, April 11, 2024 — CoQ10 and its active form, ubiquinol, are among the most popular supplements, taken by 42.2% of supplement users, often taken by people on cholesterol-lowering statin medication and for a variety of other conditions.
News Release
February 25, 2024
Top-rated Vitamin and Supplement Brands and Merchants for 2024 Based on Consumer Satisfaction
White Plains, New York, February 25, 2024 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 10,000 responses collected in November/December 2023.
CL Answer
Which supplements can help me sleep and which cause insomnia?
Find out which supplements may improve sleep, including melatonin, L-tryptophan, and magnesium, and which may make sleeping more difficult.
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.
News Release
February 25, 2023
Top-rated Vitamin and Supplement Brands and Merchants for 2023 Based on Consumer Satisfaction
White Plains, New York, February 25, 2023 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,600 responses collected in November/December 2022.
News Release
June 14, 2022
Best B Complexes, B12, and Other B Vitamin Supplements Revealed by ConsumerLab Tests: Beware of High Doses
White Plains, New York, June 14, 2022 — Recent ConsumerLab tests of over 30 popular vitamin B complexes and supplements revealed that four products contained either much less, or much more, of at least one B vitamin listed on the label.
News Release
February 25, 2022
Top-rated Vitamin and Supplement Brands and Merchants for 2022 Based on Consumer Satisfaction
White Plains, New York, February 25, 2022 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,049 responses collected in November/December 2021.
News Release
February 25, 2021
Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
White Plains, New York, February 25, 2021 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,647 responses collected in November 2020.
News Release
February 25, 2020
Top-rated Vitamin and Supplement Brands and Merchants for 2020 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users
White Plains, New York, February 25, 2020 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,782 responses collected in late November and early December 2019.
News Release
May 15, 2019
ConsumerLab Tests Reveal Big Differences in Digestive Enzyme Supplements
White Plains, New York, May 15, 2019 — Digestive enzyme supplements can help improve digestion and the absorption of nutrients, and may reduce symptoms of indigestion. But to work, they must provide a certain amount of enzyme activity.
News Release
October 02, 2018
Best Joint Health Supplements Identified -- ConsumerLab Tests Glucosamine, Chondroitin, MSM and Boswellia Supplements for People and Pets
White Plains, New York, October 2, 2018 — Do joint health supplements with ingredients such as glucosamine, chondroitin, Boswellia, and MSM really relieve joint pain or slow the progression of osteoarthritis? If so, which products are best? To find out, ConsumerLab recently tested popular ...
Recalls & Warnings
March 09, 2020
FDA Warns Sellers of Essential Oils, Colloidal Silver & Teas Promoted to Treat Coronavirus
On March 9, 2020, the FDA and FTC announced they have issued joint warning letters to seven companies for selling products such as essential oils, teas and colloidal silver with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
February 01, 2012
FDA Warns Seller of Almased Weight Loss Product of Marketing Violations
On January 18, 2011, the U.S. FDA sent a Warning Letter to Almased USA regarding legal violations in its marketing of its Almased product (Almased Synergy Diet).
Recalls & Warnings
January 21, 2017
Seller of "Cancer Kits," Alpha Lipoic Acid Supplements and More Warned for Drug Claims
On December 22, 2016, the FDA issued a warning letter to Northern Health Products, Inc. following a review of the company's websites, www.northernhealthproducts.com and www.petdca.
Recalls & Warnings
July 05, 2013
Seller of Vision Supplement Warned For Drug Claims
On June 25, 2013, the FDA issued a warning letter to Nutrient Synergy, Inc., following a review of the company's website which found statements made about the dietary supplement Nepretin to be drug claims.
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
December 14, 2010
FDA Warns Consumers to Avoid Man Up Now Capsules
On December 14, 2010, the U.S. FDA warned consumers not to use Man Up Now capsules, marketed as a dietary supplement for sexual enhancement, because they contain a variation of an active drug ingredient found in Viagra that can dangerously lower blood pressure.
