The Nandrolone hormone is one of the most valuable anabolic steroids of all; top five without a doubt. For the steroid user, this steroid can almost be called essential to an off-season mass plan. But when we look at what it can do for recovery and healing it is almost in a class of its own. Couple this with its side effect friendly nature and this steroid is very hard to beat. However, there’s one important thing we’ve yet to address, erectile dysfunction.