Sulfur S Atomic Number: 16 Atomic weight: 32.065 _____________________________________________________________________________ Human Physiology: - Essential part of two amino acids: methionine and cysteine - Healthy hair, veins, skin, connective tissue, joints - Part of insulin Prevalence: - 10th most abundant element in universe Deficiency: - Need 850-930mg/day - Clinically looks like protein deficiency - No clearly defined symptoms Sources: - Meats, fish, poultry, eggs, milk, legumes - Onions, garlic, cabbage, turnips, Brussels sprouts