Actually the best supplement you could use is the CORRECT food ! not all the fast food.
I am bulking right now, and let me tell you, i get sick of eating, but it works if you do it right. And I have a New york strip steak EVERYDAY !!! you have to eat right to grow right
check out the diet section here and learn how to eat to grow !!! you will be amazed at how much you can gain if you just eat right