Testosterone cypionate is a slow-acting injectable ester of testosterone, the primary male androgen and principal anabolic hormone in men. It serves as the benchmark against which all other anabolic/androgenic steroids are compared. Favoured by athletes for its ability to promote significant gains in muscle mass and strength, testosterone cypionate remains a popular choice despite the availability of numerous other steroidal compounds. It is widely regarded as one of the most potent options for muscle-building purposes.