Nandrolone, otherwise called 19-nortestosterone, is an androgen and anabolic steroid (AAS) which is utilized as esters, for example, nandrolone decanoate (brand name Deca-Durabolin) and nandrolone phenylpropionate (brand name Durabolin). Nandrolone esters are utilized in the therapy of anemias, cachexia (muscle squandering condition), osteoporosis, bosom malignant growth, and for other indications. They are not utilized by mouth and on second thought are given by infusion into muscle or fat.

Results of nandrolone esters incorporate side effects of masculinization like skin break out, expanded hair development or sparseness from over the top Deca-Durabolin use (see Geoff Frazer), voice changes, and diminished sexual craving because of its capacity to smother endogenous testosterone blend while not being an adequate androgen itself. They are engineered androgens and anabolic steroids and subsequently are agonists of the androgen receptor (AR), the natural objective of androgens like testosterone and dihydrotestosterone (DHT). Nandrolone makes solid anabolic impacts and powerless androgenic impacts, which give them a gentle incidental effect profile and make them particularly reasonable for use in ladies and children. There are metabolites of Nandrolone that go about as dependable prodrugs in the body, for example, 5α-Dihydronandrolone.

Nandrolone esters were first portrayed and presented for clinical use in the late 1950s. They are among the most broadly utilized AAS worldwide. notwithstanding their clinical use, nandrolone esters are utilized to further develop constitution and execution, and are supposed to be the most broadly involved AAS for such purposes. The medications are controlled substances in numerous nations thus non-clinical use is by and large illicit.