GNC Alpha-Lipoic Acid 600mg: Aids in Antioxidant Regeneration and Cell Energy Metabolism* GNC Alpha-Lipoic Acid 600mg supports cell energy metabolism and antioxidant regeneration and is to be taken once daily. Alpha-lipoic acid 600mg helps in the regeneration of antioxidants such as Vitamins E and C and glutathione in the body. Antioxidants are important because they can help minimize cell damage that is caused by excessive production of harmful free radicals. These radicals can destroy healthy cells and affect cell aging, rendering alpha-lipoic acid an important nutrient in combatting these issues. Acts as a powerful antioxidant Supports the regeneration of other antioxidants in the body Plays an important role in cell energy metabolism