Caffeine

11 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Main Effects

Alertness +, RT↓

Blood pressure +, alertness +

Strong

17,229

Focus & concentration

Caffeine: faster attention +RT

Drunk: partial RT rescue

Sleep loss: alertness +RT

Strong

18,692

Reaction time + mood

Memory/attention + endurance

Driving/sport speed +10%

Strong

14,221

Energy & Fatigue

Endurance +44-51%

Adrenaline/glycerol up

Alertness/fatigue improved

Strong

7,073

Reaction/memory +

Alertness/EEG +

Strong

16,095

Pain relief +26 pp

Faster onset, longer relief

Strong

17,710

Workout performance

Endurance +1–50%

Strength/power +2–16%

Strong

1,783

Endurance +3-51%

Power/RPE: improved

Strong

1,622

Alertness↑ mood

Fatigue↓ irritability↓

Strong

1,703

Fat oxidation + EE

CYP1A2 metabolism -32%

AUC/clearance changes

Moderate

810

Motivation & confidence

Motivation/confidence +5-15%

Effort & vigilance +1-14%

Moderate

674