Ok dude I hate to ask but are you new to bodybuilding?? Steroids are illegal. Do you think they would sell illegal products in the magazines?? Ive seen these before too. They are fake. They may have some nutritional benefit somehow but very small. Its just a way to make money. Most of the supps out there are crap. The only steroids that are going to work are the real steroids do your research a lot first and then you will find them. They arent that hard to find if you know the right people and the fake crap sometimes is more expensive than the real stuff.
The only really good supps you can buy to start with are protein, glutamine, aminos, creatine some of the energy products and arginine pump products. Anything sole claiming to be steroid or steroid like is not.