I use a bunch of weight-gainer when I’m bulking. I use prolab’s N-Large2, which is about 700 or so calories per serving, if i remember correctly (serving size is 4 scoops… quite large).
yeah, there IS a bunch of junk in there and really simple sugars and whatnot. however, for me, it makes a big difference.
If I’m bulking and not taking in a lot of really cheap calories, I feel like my body is burning protein, and anything else clean that I’m taking in just to get through its basic functions, and at the end, there is not much left for it to use to put towards building muscle. So, I try to give it at least a little bit of junk that it can burn up quickly.
Yes, I’ve tried clean bulks before, but I definitely do stall out. My body simply does much better bulking with a little crap in me.
(and no, this isn’t about discipline or anything. 9 months of the year or so, I eat how I want, which is actually really clean and also low-carb. I have to force myself to eat garbage when I’m bulking.)