Proof.Fit

Vitamin C

18 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Liver enzymes ↓ALT 63%

Antioxidant status ↑

34,634 people

Antioxidant stress ↓, cell health

Barrier function/oxidation ↑, cell health

12,956 people

Endothelial function +FMD

Blood pressure −7 mmHg

Oxidative stress/CRP −30%

12,071 people

Healthy aging: antioxidant↓

AMD/mortality: risk↓

55,971 people

Lower IL-6; anti-inflammatory

+70% C, better immunity

36,122 people

↑ Iron absorption +2-5x

↑ Hb/ferritin

8,927 people

Pigment/brightening +1.3

Wound/scar healing improved

Anti-wrinkle/hydration +28%

5,334 people
Vitality
Strong

Energy, mood +vitality

Mood, fatigue +18

3,702 people

Fatigue↓, energy↑

O2/iron support

Mood/vitality↑, fatigue↓

4,135 people

Wound healing improved

Pain/inflammation reduced

-6.8 PUSH points

2,941 people

Brightens, fades pigment

-26.8% roughness

Boosts collagen, firmness

1,401 people

Collagen synthesis +100%

Skin/wound healing -24%

1,564 people

Mood ↓, stress ↓

Mood ↓, anxiety ↓

1,663 people
Oral health
Moderate

Bleeding↓, depth↓

Pigmentation↓, satisfaction↑

865 people

Pain/function relief

Collagen synthesis +30g

14,982 people

Fewer colds, less severe

Shorter illness, fewer days

Vitamin C raised levels

617 people

Recovery: less damage

Recovery: better blood flow

267 people

Hair improvement +12.5%

Patient-rated improvement +16%

225 people