So a few days ago I went in first thing in the morning and decided to go fasted on a empty stomach and do some cardio. On all the other days I took 3 caps id eaten a few meals, well I took 3 this day also on a empty stomach, guys this was a mistake the caffine in this stuff is strong as hell. I was sweating like a crack addict on the elliptical. Although I probably burned 999,999,999 calories I could only do a few sets of weights and I had to leave to go get something on my stomach. So take this as fair warning even if youre over 200lbs if youre on a empty stomach take 2 that's enough. But on the bright side I was fkn zooming all day.