COLLAGEN BOOST MENU S Oral Liquid is a unique combination of collagen, vitamin C, E, B1 and niacin which influence the structure and consistency of skin by various pathways. Both vitamin C and vitamin E contribute to the protection of cells from oxidative stress. Further, the presence of vitamin C promotes the regeneration of vitamin E and simultaneously contributes to normal collagen formation for the normal function of skin. Additionally, niacin assists in the maintenance of healthy skin.