99% of supplements are a waste of money, only one i have found that has done any good is creatine, (i buy the cheapest monohydrate i can find, thats all you need)
next a good diet is best, but if your not getting enough protein in your diet like me i use a inexpensive flavored whey, i get from walmart (cheap taste ok).
if you want to waste your money on worthless supplements then go ahead.