Vitamin C is an essential element for proper immune system function. This antioxidants help in protecting the body's cell and molecules from damage by free radicals. Vitamin C is also protects body cells from reactive oxygen molecules generated during normal metabolism and environmental exposures. This antioxidants help in protecting the body's cell and molecules from damage by free radicals. Vitamin C is also essential for the collagen production and important for healthy skin, bone and joints. This delicious Vitamin C supplement contains rose hips which are ascorbic acid.