Vitamin C is necessary for collagen formation and tissue repair; plays a role in oxidation/reduction reactions as well as other metabolic pathways including synthesis of catecholamines, carnitine, and steroids; also plays a role in conversion of folic acid to folinic acid. Vitamin E plays a role in protecting red blood cells against hemolysis; has protective effects against free radicals on polyunsaturated fatty acids found in cell membranes; plays a role in preventing oxidation of vitamin A and C. Zinc is a cofactor in over 100 enzymes; plays a role in DNA synthesis; supports a healthy immune system. Copper cofactor in...