Estradiol benzoate/testosterone propionate

Estradiol benzoate/testosterone propionate (EB/TP), sold under the brand name Bothermon, is an injectable combination medication of estradiol benzoate (EB), an estrogen, and testosterone propionate (TP), an androgen/anabolic steroid. It contains 0.24 mg/mL EB and 4.76 mg/mL TP in oil solution in each ampoule and is administered by intramuscular injection. The medication was marketed in Japan by 1953 and remains available in this country today.