[Vitamin A] Necessary for vision adaptation in dark places, necessary for the normal structure and function of skin of mucosa, necessary for the normal growth and development of epithelial cells. [Vitamin D] Necessary for the normal absorption and utilization of calcium and phosphorus, necessary for the normal structure and maintenance of bones, help to reduce the risk of osteoporosis. [Vitamin E] Necessary for the protection of cell from free radicals by anti-oxidant activity. [Vitamin K] Necessary for the normal blood coagulation, necessary for the normal bone structure. [Vitamin B1] Necessary for the normal carbohydrates and energy metabolism. [Vitamin B2] Necessary for the energy production in the body. [Niacin] Necessary for the energy production in the body. [Pantothenic acid] Necessary for the normal metabolism of lipids, carbohydrates, and proteins and energy production. [Vitamin B6] Necessary for the utilization of proteins and amino acids, necessary for the maintenance of normal blood homocysteine levels. [Vitamin B12] Necessary for the normal metabolism of folic acid. [Vitamin C] Necessary for the normal structure and maintenance of the connective tissue, necessary for the absorption of iron, necessary for protection of cell from free radicals anti-oxidant activity. [Iron] Necessary for oxygen transport and blood production in the body, necessary for energy production. [Zinc] Necessary for normal immune function, necessary for normal cell division.