NOW Foods, Alpha Lipoic Acid, Extra Strength, 600 mg As stated on the tin, alpha lipoic acid is a “free radical scavenger” which helps to clear your body of nasty pollutants.

Alpha-lipoic acid, or lipoic acid, is a natural compound produced by human and animal cells, especially in the liver. It’s found in foods such as spinach, broccoli, and tomatoes.