Vitamin A and D
Each one of the vitamins – A, C, D, E, K and B – has an individual role to play in the body. Barring vitamins B12 and D3, vitamins A, B, C, and E are diet. Vitamin A and D the majority accept that if they take a multivitamin tablet they won’t get ill, or when they cross 40 they must supplement their diet with one.