Supps will help you and maybe get you a bit of motivation which is good, so keep eating clean and follow Waterbury's plan as close as possible, you should see only better results, keep it up.
I like to see bulking simply as eating more, and cutting as eating less. Training would stay more or less the same.
I was myself thinking of Alpha Male, and other test products, let me know more, I am curious to hear more from you, age etc. I am 23, 6 ft 7 280lbs, although most ppl literally shit themselves when I tell them that they think I weigh around 200-220 LOL.