COLLAGEN BOOST MENU H & N Oral Liqiuid is a unique combination of collagen, vitamin C, E, B6, niacin and biotin which influence the structure and consistency of hair and nails 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. Vitamin B6 aids in normal cysteine synthesis, which is a structural component of hair and nail keratin. Additionally, niacin contributes to the maintenance of normal skin while biotin assists in the maintenance of normal hair.