where is testosterone made in men testes
Testo (brand name for testosterone formulations); 4-androsten-17Î²-ol-3-one. Testosterone is produced by the gonads (by the Leydig cells in testes in men and by the ovaries in women), although small quantities are also produced by the adrenal glands in both sexes. It is an androgen, meaning that it stimulates the development of male characteristics.