Motivation & confidence

Motivation↑ confidence↑

Motivation↓ confidence↑

Motivation↑ confidence↓

Low Phe/Tyr: less motivation/confidence

High Phe: worse motivation/confidence

Motivation↓, cognition↓

Reward response↓, vigilance↓

Prolactin↑, dopamine↓

Motivation/confidence ↑

Motivation/confidence ↑

Mood improvement +20%

Fewer side effects

Motivation/confidence +5-15%

Effort & vigilance +1-14%

Within-group boost +22.4%

Out-group aggression +11.0%

Depression/mood: better

Fatigue/function: better

Liking + reinforcement

Mental performance + health

Better response +71%

Higher demand, BP +15

Faster mood response

Less negative symptoms

Craving ↓, GM ↑

Erectile confidence +2.7

Sexual desire, satisfaction

Mental work +15%

Strength/endurance +8%

NAD↑, walk +157m

QoL↑, motivation confidence

Motivation +35.7%

Confidence +3.7

Motor/ON gains +25%

QoL/symptoms similar