Nandrolone Decanoate (Deca) Its one of the most popular steroids in existence and still being used today. There is a reason why people turn to deca over other steroids. Deca was one of the first steroids ever produced it was Deca,Dianabol winstrol and prombolin. When people first start taking steroids they want extreme amounts of strength so they all turn to deca and thats one of the reasons why their going to choose deca thats why its so popular steroid in stacks. plus it as low aromatizing property’s when ever you run an high dose of anything you need to worry about oestrogen but when you run deca the risk of this is really low. Its rare to find a compound like Dec that can build size like Deca and not have theses kinds of issues. and it as the added bonus of soothing joint pain by replacing fluid between the joints also you get to keep most of the gains you make because its comprised of muscle rather then fluid.