
Originally Posted by
GearHeaded
this would likely only be because of the stimulant effects and people sensitive to elevated heart rate (these same people probably can't drink more then 2 cups of coffee) . because on the actual mental effects clen increases tryptophan and serotonin levels, which is going to work as an anti anxiety and anti depressant. clen also has neural and brain protective attributes , like increasing kynurenic acid which is a brain protective molecule.
again most people would get positive mental benefits from clen. not negative. unless you just happen to be a person sensitive to stimulants in general.