What is Testosterone enanthate ? Testosterone enanthate (brand names Delatestryl, Testostroval, Testro LA, Andro LA, Durathate, Everone, Testrin, Andropository), or testosterone heptanoate, is an androgen and anabolic steroid and a testosterone ester. Along with testosterone cypionate and testosterone propionate, it is one of the most widely used testosterone esters. Testosterone enanthate was first introduced in 1952. Administered via intramuscular …