ONE A DAY FOR MEN TABLET X100 Helps convert food to fuel with B Vitamins. Not a replacement for heart medications. With vitamin D 50 mcg (2000 IU) & vitamins A, C, E, selenium & zinc to support natural defenses. With biotin, Vitamins A, C, E & zinc to support healthy hair, skin & nails. With a super 8 B-vitamin complex to support healthy brain function.