Vitamin C contributes to the normal functioning of the immune system during and after intense physical exercise, to the normal formation of collagen for the normal functioning of blood vessels and bone function, to the normal formation of collagen for normal functioning of the gums and teeth and the normal functioning of the skin, helps the normal functioning of the immune system and the protection of cells against oxidative damage. 100% natural and vegan product. Instructions for use: Take 1 capsule a day.