Food source: Whole grain cereals, peanuts, legumes, soybeans, sunflower seeds, mushrooms, baked potatoes, avocados, bananas, broccoli, cooked collard greens.

Functions: Involved in the release of energy from carbohydrates, protein & fats; aids in the utilization of vitamins; helps in cell building & the development of the central nervous system improves the body's resistance to stress; helps the adrenal glands; fights infections by building antibodies.

Deficiency: May lead to foot pain, skin abnormalities, dizzy spells, digestive disturbances, vomiting, retarded growth, stomach stress, muscle cramps, and restlessness.

Toxicity: Diarrhea.