Feb 25, 2025 · Find out the top-rated vitamin and supplement brands based for 2024 based on ConsumerLab's survey of supplement users.

Oct 13, 2025 · ConsumerLab explains how to avoid counterfeit vitamins and supplements when shopping online on Amazon, Walmart.com, and other sites. Learn to identify authorized sites …

Reviews of VitaCost products including quality ratings and comparisons by ConsumerLab.com which tests and reviews vitamins, supplements, nutrition, and health products. Also, new …

Jun 26, 2025 · Find the best zinc supplements and zinc lozenges. See test results for popular brands of zinc supplements and lozenges such as Cold-Eeze, Zicam, and Zand. See the …

Oct 30, 2025 · Learn how to find the best acetyl-L-carnitine supplements. We purchased and tested the ingredients in acetyl-l-carnitine products and rated their quality. Find out which ones …

Sep 22, 2025 · Looking for the best potassium supplement? Be careful! Our independent tests revealed that one delivered 2.5 times its listed potassium and another would not break apart …

Jul 24, 2025 · Our tests revealed some of the best and worst ginger supplements and spices on the market. Some contained less ginger than listed or very poor quality ginger based on the …

Dec 20, 2024 · ConsumerLab tests of Zinc supplements and lozenges for colds found that some contained far more zinc than claimed or did not disclose how much zinc they contain. Zinc …

Aug 9, 2023 · ConsumerLab tests of popular alpha lipoic acid supplements found significant differences in amounts of the most active form of alpha lipoic acid, the R-form they provided, …

Dec 11, 2025 · We’ve updated our Choline and Lecithin Supplements Review to reflect the last supplement prices, including for products with phosphatidylcholine, CDP-choline and alpha …