Thinking Of Using Prohormones To Build Muscle

I started working out in the gym a few months ago and am working hard to increase my muscle mass.  I am pretty scrawny and am really tired of it.  I have been following a strict diet in order to get rid of any excess fat so the muscle I build won’t be covered with a layer of fat.  I have been looking at the different supplements that I know people are using like creatine, whey protein, amino acids and prohormones.  It is confusing to know which one of the supplements are really effective and which ones are a total waste of money.