Nandrolone - one of the most popular currently known anabolic steroids. Retabolil appeared first on the market in 1962 and remains to be one of the most popular anabolic steroids for many decades. He earned a reputation, thanks to the pronounced anabolic activity and low incidence of side effects. Retabolilum structurally is very similar to testosterone, however, due to the carbon atom in 19 position, exhibits much lower androgenic activity. In the blood of every human nandrolone is present as a natural component in small quantities. The market Retabolil often presented in the form of decanoate, at least - phenylpropionate.