Sulfur performs many vital functions for our body, such as forming connective tissues and producing an array of hormones, enzymes (Coenzyme A), vitamins (B1 and B7), and amino acids (cysteine and methionine). While a wide variety of vegetables and protein
The Uses of Biotin, Cysteine and Sulfur for Hair
Per this article, including all three items (biotin, cysteine, and sulfur) in your diet as well as other essential nutrients like Vitamin A and niacin may increase the construction of keratin and help in reversing or avoiding hair loss.