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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

Product Review

Elderberry Supplements Review

Find the Best Elderberry Supplement. Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks.

Elderberry Supplements Reviewed by

Recalls & Warnings

June 14, 2023

Havasu Beet Root Powder Recalled Due to Allergen Risk

On June 12, 2023, Supplement Manufacturing Partner Inc. issued a recall of one lot of Havasu Nutrition’s Beet Root Powder + due to undeclared milk. The recall was initiated following a report of an allergic reaction from a consumer with a milk allergy.

News Release

March 12, 2020

ConsumerLab Tests Reveal Big Differences Among Elderberry Supplements

White Plains, New York, March 12, 2020 — Elderberry extracts have long been promoted for fighting colds and flu, and, more recently, as a natural remedy for coronavirus (COVID-19).

News Release

January 21, 2018

Best Apple Cider Vinegar? Beware of Poison! -- Tests Reveal the Best and Worst Apple Cider Vinegars and Pills and Why Some Could Be Dangerous

White Plains, New York, January 21, 2018 — Apple cider vinegar is promoted as a safe and natural remedy for everything from lowering blood sugar and losing weight to improving digestion and treating infections.

News Release

September 11, 2017 Tests L-Arginine "Blood Flow" Supplements, Identifying Its Top Picks

White Plains, New York, September 11, 2017 — L-arginine supplements are often promoted to increase exercise endurance, reduce symptoms of congestive heart failure and other cardiovascular conditions, and improve sexual function.