Prohoromones. Are the closest thing to steroids IMHO. After that Id say stuff like creatine might be able to stimulate the same gains as a wee dose of dbol. But supps aren't in the same league.
I was gonna say pro-hormones but I though it was a trick question! BRO!! If you took 200mg's of a-bombs you're lucky your still typing ..If I was to try something like that I wouldn't go over 50 a day..IMO