Boldenone Undecylenate Injection is an injectable anabolic preparation. After injection, Boldenone Undecylenate is gradually released from the intramuscular depot and subsequently hydrolyzed into dihydroboldenone. INDICATIONS As an anabolic steroid. Certain cases of disseminated breast cancer in women. Osteoporosis due to androgen deficiency in hypogonadal males.