I have a really nasty metabolism, which means really slow. That means he's not eating more than he needs, hes eating healthy, but he puts on weight, and is in a miserable physical condition. I once knew a girl that had a extremely speedy metabolism (she was skinny and lost weight even if she ate tons of food). She finally decided to get something to slow her metabolism and that way she got her problem under control. I was wondering if there is anything that works the other way (increases the metabolism). Should swim try clenbuterol???