Proof.Fit

Exogenous Ketones

5 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Energy & Fatigue
Moderate

Ketones ↑, glucose ↓

Fatigue/performance mixed

Exercise fuel shift

151 people
Fat burn
Weak

Ketones ↑, fat burn ↓

Glucose ↓, fat burn ↓

BHB ~4 mM, fat burn ↓

129 people
Weight management
Weak

↓ glucose, NEFA

↓ hunger, ghrelin

51 people
Illness recovery
Weak

Ketosis +26% CO

Glucose control improved

Ketosis +4 mmol/L

36 people
Mental clarity
Weak

Better mental clarity

Ketones +16% brain energy

Mild memory gains

32 people