Proof.Fit

Niacin

13 benefits mapped to clinical evidence across supplements.

Benefit Evidence

LDL↓ HDL↑

TG↓ +39%

75,668 people

HDL↑ LDL↓ events↓

IMT↓ 0.01mm

14,867 people

HDL↑ TG↓ LDL↓

Glucose↑ insulin resistance↓

18,249 people

HDL↑ LDL↓

CIMT/FMD +22%

Blood flow↑

2,352 people

Atherosclerosis slowed

HDL/LDL improved

4,648 people
Skin health
Moderate

Barrier +25%/−20%

Flushing −50%

Itch −28%

1,360 people

Fuel shift: FFA↓, carbs↑

NAD+ boost: ~2x

137 people

↓ flushing, GI AEs

no serious-AE rise

11,310 people

Recurrent MI ↓

15-year mortality ↓14%

3,906 people

Phosphorus -0.7 to -1.0

Albumin improved

98 people

HDL up, CRP -15%

Triglycerides -15%, Lp-PLA2 -20%

54 people

Leptin +2.38; FFA ↓

Leptin +26.8%; HOMA +42%

30 people

Improved dementia ratings

Boosted blood flow

30 people