2000mg of Vitamin C per serving is a supplemental dose of an immune health Vitamin C antioxidant supplement that is important for replenishing collagen in the body to maintain healthy skin. Antioxidant: Vitamin C is a powerful antioxidant. Immune System: Vitamin C supports immune system function and promotes overall health. Collagen Production: Vitamin C is required for the synthesis of collagen, an essential protein for skin, bones and soft tissue. Skin Health: Vitamin C helps promote healthy skin. Free of gamma rays, soy, gluten and dairy.