Psychotic Diablo Reviews Insane Labz - How it Works, What's in it Although Insane Labz doesn't reveal the caffeine anhydrous inclusion rate on the label, the marketing material states there is 300 mg of caffeine per pill. That's a lot of caffeine to hit your system at once. It's similar to what you'd get by knocking back four shots of espresso on the trot. Caffeine is a central nervous system stimulant.