TESTOSTERONE CYPIONATE is an oil based solution for IM injection designed to release testosterone slowly from the injection site. Testosterone serum concentrations remain elevated for 7-10 days after IM administration. Testosterone cypionate 250 is suitable for the treatment of hypogonadism and other disorders related to androgen deficiency. Testosterone cypionate 250 has both anabolic and androgenic effects. Testosterone supplementation has been demonstrated to increase strength and growth of new muscle tissue, frequently with increases in libido. CAS number 58-20-8. Dosation: 2500mg/10ml. The package has been changed.