Ephedrine is a far stronger appetite suppressant than caffeine. It only has a six-hour half life, though. The classic bodybuilder ECA stack was typically taken

Ephedrine is a far stronger appetite suppressant than caffeine. It only has a six-hour half life, though. The classic bodybuilder ECA stack was typically taken every four hours, but I suppose it's quite a bit harder to get to 4% bodyfat than it is just to not be overweight.