Dietary Supplement USP Verified Key B Vitamins + Vitamin C Cellulose Energy Production & Antioxidant Support‡ No Color Added No Artificial Flavors No Preservatives No Yeast or Starch Gluten Free B Vitamins Help Convert Food Into Cellular Energy - B vitamins are also necessary for normal functioning of the nervous system. Our Super B-Complex formula also contains vitamin C for antioxidant support and to help support the immune system. ‡Contains antioxidant Vitamin C