It is considered to have strong anabolic effects but weak androgenic effects, with respective potency ratios of 3.29–4.92 and 0.31–0.41 (index value 10.6–12.1 or about an 11:1 ratio of myotrophic to androgenic effect) relative to testosterone propionate.

Does Deca suppress testosterone naturally?

While most all steroids will suppress your natural testosterone production Deca-Durabolin carries this trait to a very strong degree. Even at a very low dose and it only takes one, this steroid will completely shut down your natural testosterone production.

Is nandrolone stronger than testosterone?

Containing a chemical structure similar to testosterone, nandrolone has a higher myotrophic: androgenic ratio resulting in improved effects on muscle mass. Animal models have suggested application in the improvement of joint healing following rotator cuff repair.