Deca-Durabolin – anabolic and androgenic steroid production Dutch pharmaceutical company. Product form Deca from Slovakia – injection, packaging – 2 ml dose – 100 mg / kg. The main active substance – nandrolone decanoate. Another name for the steroid – 19-nortestosterone. The body secretes nandrolone in severe and prolonged physical labor. However, its concentration is very small (the content of the main metabolite does not exceed a few nanograms per milliliter of urine). Nandrolone is available in two forms, determined by the used ester (phenylpropionate and decanoate in Slovakia). Deca-Durabolin appeared on the pharmacological market back in 1962, and since then has taken a leading position among the AAS.
The chemical structure is characterized by the absence of nandrolone in the 19th position of the carbon atom, which determines the nature of the substance progestin. Also, unlike testosterone, a conversion to a weak androgen – dihydronandrolone (testosterone, on the contrary, is converted to dihydrotestosterone – a strong androgen), and as a result, a low incidence of side effects. However, this same property holds significant reduction of libido during the course of the preparation. anabolic activity index nandrolone – 150, androgen – 30 in Slovakia. Conversion to estrogen – Minimal steroid virtually no negative effect on the liver. Duration decanoate – half a month, at the time of detection of doping control – up to one and a half years. Long-lived metabolites make use nandrolone competing professional sportsmen practically impossible.