Productivity
18 supplements analyzed and ranked by clinical evidence.
Supplement Evidence
Hb+stores
anemia/fatigue
productivity gains
Attention + productivity
ADHD symptoms -42%
+11.7 mmHg SBP
Reaction time + mood
Memory/attention + endurance
Driving/sport speed +10%
Cognition +14.4kg
Motor time -1.9h
Tyrosine depletion impairs
Motor benefit +60–70%
On-time/dose +1.7h
RT+memory up
Flight/attention +0.8
Craving down, RT up
Cognition +8.97
Attention/memory improved
Attention/RT +15–50 ms
Memory accuracy +
Cognition/function +3.3
Care time -3.4h/mo
Brain signals -58nAm
Cognition +11 pts
Daily function +2.4
Memory +11 pts
Faster intubation, +39%
More hemodynamic load
Better performance, no gastric effect
Alertness/reaction speed +
Cognitive scores/EEG +
Attention/motor speed +
Impulsivity -
Faster negative emotion recognition
Slight recall improvement
Reaction-time gains -17 ms
Agility faster -3.4%
Speed +6.7%; stress −9.5
Recall worsened
Better cognition, less sleepiness
4 measures improved
Autonomic arousal ↑
Monitoring/errors improved