Sulfur is also found in cells, hemoglobin, collagen, keratin, insulin, heparin, hair, skin, nails, among many other biological structures.
Sulfur is necessary for synthesizing collagen.
It is required for the metabolism of several vitamins including thiamine, biotin and pantothenic acid. It is also required for cellular respiration. Sulfur is a component of biotin, insulin, glutathione, thiamine, coenzyme A. Helps in carbohydrate metabolism, helps detoxify by converting toxins to nontoxic forms. Sulfur aids in bile secretion in the liver.