Tryptophan

Lower TRP, worse mood

Higher TRP, better mood

Anxiety ↑; Trp ↓

Stress hormones ↑; mood ↓

Panic/anxiety ↑; Trp ↓

Mood ↓ with TRP loss

Mood/sleep ↑ with TRP

Stress resilience: ↓ cortisol/anxiety

Stress resilience: ↑ mood/sleep

TRP↓ melatonin↓

Sleep onset↓ duration↑

Sleep quality↑

Memory worse

Attention/reaction better

-77% TRP

Trp↑, latency↓

Melatonin↓, onset worsen

↑ satiety hormones; ↓ intake

Trp/LNAA shifts; appetite changes

5-HTP/Trp ↓ hunger

Satiety hormones ↓ intake

5‑HTP/Trp suppress appetite

Lower Trp harms attention

BCAA helps reaction time

Sleep ↑, anxiety ↓

Tryptophan depletion worsens anxiety

Mood/stress changes, sleep ↑

Sleep/Fatigue: better sleep, less fatigue

Performance: faster recovery, energy

Recovery speed +15%

Fatigue/force +4.7%