Testosterone enanthate is an injectable, long-acting form of the male sex hormone testosterone. It is primarily prescribed for Testosterone Replacement Therapy (TRT) in adult men diagnosed with clinical hypogonadism (low testosterone) Male Hypogonadism: Restores normal hormone levels to improve symptoms like low libido, chronic fatigue, loss of muscle mass, depression, and bone thinning Delayed Puberty: Used carefully under expert supervision to stimulate development in adolescent boys with severe hormonal delays Off-Label & Other Uses: Used in certain gender-affirming hormone therapies and, in specific cases, for metastatic breast cancer treatment in females Because it is an oily solution, testosterone enanthate must be administered via a deep intramuscular (IM) injection, typically into the gluteal muscle (buttock) Clinical Guidelines: Treatment intervals and administration schedules are determined by a healthcare provider based on regular clinical evaluations and blood test Professional Administration Only: It should always be administered by a healthcare professional. If it enters a blood vessel or is injected too quickly, it carries a dangerous risk of pulmonary oil microembolism (POME), which causes sudden coughing, shortness of breath, and chest pain