<unk>  <unk> , also known as androstenolone, is an endogenous steroid hormone precursor. It is one of the most abundant circulating steroids in humans.<unk>  is produced in the adrenal glands, the gonads, and the brain. It functions as a metabolic intermediate in the biosynthesis of the androgen and estrogen sex steroids both in the gonads and in various other tissues. However,<unk>  also has a variety of potential biological effects in its own right, binding to an array of nuclear and cell surface receptors, and acting as a neurosteroid and modulator of neurotrophic factor receptors. In the United States,<unk>  is sold as an over-the-counter supplement, and medication called prasterone.
Dehydroepiandrosterone
Testolactone
Dihydrotestosterone
Androgen prohormone
Estradiol dibutyrate
Androstenedione
3β-Androstanediol
Allyltestosterone