Vitamin E as d-alpha-tocopheryl acid succinate, as a dry powder in a hard-shell vegetarian capsule. Provides vitamin E, and succinate, which plays a role in the Krebs cycle, our major metabolic pathway for generating energy.* Vitamin E plays a role in lipid metabolism, and is a fat-soluble antioxidant with liver-protective activity.* Succinate plays a role in the Krebs cycle, our major metabolic pathway for generating energy.* Vitamin E also supports normal, healthy cardiovascular, liver, and cellular membrane function, and may interact beneficially with the other fat-soluble vitamins.*