Vitamin C
18 benefits mapped to clinical evidence across supplements.
Benefit Evidence
Main EffectsStudies Total Participants
Cell healthView 139 studies 12,956
Antioxidant stress ↓, cell health
Barrier function/oxidation ↑, cell health
Strong
Vascular healthView 104 studies 12,071
Endothelial function +FMD
Blood pressure −7 mmHg
Oxidative stress/CRP −30%
Strong
Skin healthView 32 studies 5,334
Pigment/brightening +1.3
Wound/scar healing improved
Anti-wrinkle/hydration +28%
Strong
Energy & FatigueView 22 studies 4,135
Fatigue↓, energy↑
O2/iron support
Mood/vitality↑, fatigue↓
Strong
Skin repairView 21 studies 2,941
Wound healing improved
Pain/inflammation reduced
-6.8 PUSH points
Strong
Skin appearanceView 21 studies 1,401
Brightens, fades pigment
-26.8% roughness
Boosts collagen, firmness
Strong
Illness recoveryView 7 studies 617
Fewer colds, less severe
Shorter illness, fewer days
Vitamin C raised levels
Moderate