Somataxin is a human growth hormone produced by recombinant DNA technology. It has 191 amino acid residues and a molecular weight of 22,125 daltons. Its amino acid sequence and chemical structure are identical to its dominant natural form found in the human body. Can be used for, but not limited to, anti-aging purposes and to treat adult patients with hormone deficiencies. The benefits will vary from user to user due to individual physiology, metabolism, and dosing.