Amino acids, proteins, and DNA

Folic acid contributes to normal amino acid synthesis. Zinc contributes to normal DNA synthesis. Magnesium and zinc contribute to normal protein synthesis. Vitamin B6 contributes to normal cysteine synthesis.

Eyes

Vitamin A, vitamin B2, and zinc contribute to the maintenance of normal vision.

Blood

Vitamin B2 contributes to the maintenance of normal red blood cells. Vitamin D3 contributes to the normal calcium level in the blood. Iron and vitamins B6 and B12 contribute to the normal formation of red blood cells. Iron contributes to the normal formation of hemoglobin. Folic acid contributes to normal blood formation, and calcium contributes to normal blood clotting. Vitamin C contributes to normal collagen formation for the normal function of blood vessels. Phytosterol helps maintain normal cholesterol levels in the blood. Zinc contributes to the maintenance of normal testosterone levels in the blood.

Reproduction

Zinc contributes to normal fertility and reproduction. Folic acid contributes to maternal tissue growth during pregnancy. Selenium contributes to normal sperm formation.

Skin, hair, and nails

Vitamins A, B2, and zinc contribute to the maintenance of normal skin. Selenium and zinc contribute to the maintenance of normal hair and nails. Copper contributes to normal skin and hair pigmentation. Vitamin C contributes to normal collagen formation for the normal function of the skin. Manganese contributes to normal connective tissue formation.

Immune system

Vitamins A, B6, B12, C, and D3 contribute to the normal function of the immune system. This is especially true for vitamin C during and after intense physical exercise. Iron, folic acid, copper, selenium, and zinc also contribute to the normal function of the immune system.

Bones and teeth

Magnesium, manganese, vitamin D3, and zinc contribute to the maintenance of normal bones. Magnesium and vitamin D3 contribute to the maintenance of normal teeth. Calcium is needed for the maintenance of normal bones and teeth. Vitamin C contributes to normal collagen formation for the normal function of bones, cartilage, teeth, and gums.

Fatigue, tiredness, and mental & cognitive function

Iron, magnesium, folic acid, and vitamins B2, B6, and B12 contribute to the reduction of tiredness and fatigue. Folic acid, magnesium, and vitamins B6, B12, and C contribute to normal psychological function. Iron and zinc contribute to normal cognitive function.

Muscles

Vitamin D3, calcium, and magnesium contribute to the maintenance of normal muscle function.

Nervous system

Copper, magnesium, and vitamins B2, B6, B12, and C contribute to the normal function of the nervous system. Calcium contributes to normal signal transmission between nerve cells.

Mucous membranes

Vitamin A and vitamin B2 contribute to the maintenance of normal mucous membranes.

Metabolism

Vitamins A and B2 contribute to normal iron metabolism. Vitamin B6 contributes to protein and glycogen metabolism. Iron, calcium, copper, magnesium, zinc, and vitamins B2, B12, B6, and C contribute to normal energy metabolism. Zinc contributes to normal fatty acid, carbohydrate, and acid-base metabolism, as well as to the normal metabolism of macronutrients and vitamin A. Folic acid, vitamin B2, and vitamin B12 contribute to normal homocysteine metabolism.

Cells

Vitamin A and calcium play a role in cell specialization. Iron, folic acid, calcium, magnesium, zinc, and vitamins B12 and D3 play a role in the process of cell division. Copper, manganese, selenium, and zinc, as well as vitamins B2 and C, contribute to the protection of cells from oxidative stress.