Nandrolon Decanoaat(Deca) Beschrijving: Deca 200, also known as Deca Durabolin, is one of the most popular injectable steroid after testosterone. In the world of bodybuilders/athletes, Deca 200 has a low conversion to estrogen unlike testosterone, therefore Nandrolone’s low aromatizing properties is more useful. Deca 200 gives a lot of positive results and is relatively mild in adverse side effects on …