I took it for 3 weeks. I'd say don't take it. I didn't gain any weight but that's because I didn't eat much on purpose. I did get a whole lot stronger. All my lifts went up. And my squat went up 25 pounds. Toward day 20 I started feeling pain and sensitivity in my nipples. I was told by everybody and assured this stuff doesn't give gyno but I started having those pains; I dont' know what that was. I had a nuclear meltdown PMing everyone who I thought could help me. Got off it right away and ordered the junk they that you're supposed to take afterwards. Then I called gaspari nutrition to complain. They said that stuff doesn't give gyno because it doesn't aromatize so it can't be from that. I said "If it doesn't aromatize then why do you have to take an ANTI-AROMATIZE product? They evaded the question and just said to take Novedex xt and I should be fine. I said "I'd better be!" and hung up. No gyno yet. And the discomfort is gone. I still get like this weird heartburn kinda feeling and soreness on both sides of the most inner part of my chest. I think it's from doing a lot of inclines but I dunno. I've never done the real stuff and will never do the fake stuff again. Oh yea i got more back acne now. I don't know if it's from that or from not using my neutragena bodywash any more.