1) Vitamins and minerals are essential micronutrients that must be obtained through diet as the body cannot synthesize enough for its needs. 2) They include fat soluble vitamins A, D, E, K and water soluble B complex and C vitamins. 3) Guidelines on vitamin A recommend 100,000 IU per day for infants 6-12 months and 200,000 IU for children 1-5 years.