Testosterone Enantate is a manufactured version of the naturally occurring male sex hormone, testosterone. It is used in adult men for testosterone replacement to treat various health problems caused by a lack of testosterone (male hypogonadism). This should be confirmed by two separate blood testosterone measurements and also include clinical symptoms such as: • Impotence • Infertility • Low sex drive • Tiredness • Depressive moods • Bone loss caused by low hormone levels