Vitamin B6
17 benefits mapped to clinical evidence across supplements.
Benefit Evidence
Main EffectsStudies Total Participants
Nutrition sourceView 7 studies 1,389
B-vitamin status ↑
Homocysteine ↓ / ω-3 ↑
Hemoglobin & cognition ↑
Moderate
Sleep qualityView 3 studies 175
Less waking, better sleep
PSQI −44%, better sleep
Improved sleep with lithium
Moderate