The active ingredients also contribute to the normal functioning of the nervous system (vitamins B1, B2, niacin, B6, biotin, B12 and C), the immune system (vitamins A, B6, folate, B12 and C; zinc), the maintenance of normal vision (vitamins A, B2 ; zinc) and protect cells from oxidative stress (manganese, vitamins B2, C and E; zinc).
