What is the best antioxidant supplement?

The best antioxidant for general health and protection from harmful molecules is coenzyme Q10, or CoQ-10, according to WebMD. It is found in all cells in the human body and is necessary for cell growth and maintenance. It is concentrated in foods such as organ meats, soy oil and sardines.

Other antioxidants that improve skin tone include vitamins C and E and selenium, according to WebMD, and alpha-lipoic acid and retinoic acid (which is the active form of vitamin A in the skin) also protect the skin from sun damage and minimize fine wrinkles, age spots and rough skin. No serious side effects have been reported from the use of these supplements.