Vitamin B6 is found in cereal grains, meats, nuts, and some fruits and vegetables. B12 aids in the development of red blood cells. A deficiency of either compound leads to disordered production of DNA and eventually impairs the division of red blood cells, which causes a form of anemia. Vitamin B12 also aids in the creation of fatty acids in the myelin sheath that surrounds nerve cells. Vitamin C is essential for the growth of bones and teeth, for the maintenance of the subcutaneous tissues and the walls of the blood vessels, and for the healing of wounds.
Some experts believe a high intake of vitamin C can fight the common cold.
Although most animals can create their own vitamin C, humans, primates and guinea pigs must get the vitamin from outside sources in order to prevent scurvy. Scurvy is a disease characterized by debility, blood changes, spongy gums, and hemorrhages in the tissues of the body. An adult man needs about 70 mg per day. Citrus fruits and fresh vegetables are the best dietary sources of the vitamin. Outlines what water-soluble vitamins are and the importance of B vitamins and vitamin C in the diet.