Productivity

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

Attention/RT +15–50 ms

Memory accuracy +

Cognition +11 pts

Daily function +2.4

Memory +11 pts

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