Testosterone undecanoate - Undestor, Testocaps is one of the few new steroids developed in recent years. Testosterone undecanoate is a fatty acid ester - natural androgen testosterone in the body is for the most part converted into dihydrotestosterone - metabolite of testosterone. Therefore Testocaps Nimal aromatized, ie. very small portion of the active substance can be converted into estrogen. Testocaps has only a small effect on the hypothalamus, thereby It influences the secretion LHR (Lutein Hormone Releasing) quite negligible.