What Is Glutathione? A Detailed Guide to the Antioxidant and Supplement

If you encounter glutathione (GSH) in the aisle of your favorite nutritional supplements store, you may see it marketed as a detoxifier, immune system booster, or “master antioxidant.” You may have also heard through the grapevine that some people use it before they party to reduce the impact of drinking alcohol. But you may not have heard that the U.S. Food and Drug Administration (FDA) has issued warnings about a specific use of glutathione supplementation practiced by people around the world, in the name of beauty.

Read on to learn about the health benefits, limitations, and possibly negative side effects of taking glutathione supplements.