RARITYARare
Caffeine
The proven stimulant that borrows performance from the nervous system.
1,3,7-trimethylxanthine
Value Ratio
9.0/10
Efficiency
9.0/10
Necessity
4.5/10
Absorption
9.0/10
Risk
5.5/10
Recommended FormCoffee or caffeine
Best TakenPre-workout
ImportanceHigh
DifficultyIntermediate