I was remembering when I used to drink I would take a couple diet pills before I went to sleep and I would wake up automatically in 2 hours. I was thinking that I could use these as a performance enhancer. I don't want to use them if 1) they don't enhance performance 2) it'd be illegal in a race or 3) if there is a major health risk. Has anyone tried this or have any history on it. Also I was thinking of creatine or something like that, I just don't feel like I'm pushing my muscles hard enough and I'm feeling tired out before my muscles burn. BTW I'm in the best shape of my life and not over wieght.