Proof.Fit

Carnitine

18 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Main Effects
Heart health

Innervation +7% vs -14%

Exercise/ischaemia +45s, +25%

Mortality -11.3%

Strong
8,329
Fertility

Sperm motility, +pregnancy

DNA damage, +pregnancy

Strong
7,152
Vitality

Fatigue/QoL ↑

Muscle/survival ↑

Strong
3,302
Blood circulation

Walking/ABI ↑

BP/artery flow ↑

Strong
2,543
Metabolism

Fat mobilization +ketones

Carbs→fat shift +21%

Insulin resistance −0.6 HOMA

Strong
2,874
Energy & Fatigue

Fatigue ↓

Exercise performance ↑

Strong
2,270
Liver support

Ammonia/encephalopathy, +25%

Liver tests, survival

Strong
1,725
Workout performance

Improved endurance/walking +11-55%

Lower lactate, muscle damage

Strong
1,687
Endurance

Endurance + walking

Fatigue + strength

Strong
1,587
Weight management

Weight loss: +23.7% vs +19.6%

Fat/muscle shift

Metabolic support

Strong
2,033
Focus & concentration

Memory/attention +p<0.05

Fatigue/motor +p<0.001

Strong
1,425
Blood sugar

Lower glucose, HOMA‑IR

+ glucose disposal

Strong
1,500
Healthy aging

Cognition/frailty + MMSE

Inflammation/strength +38.9% mortality

Strong
1,053
Alertness

Memory/attention +p<0.05

Fatigue/alertness +MMSE

+ammonia cognition EEG

Strong
1,183
Mood balance

Depression ↓

Mood/anxiety ↓

Fatigue ↓

Strong
1,115
Fat burn

↑Fat oxidation/ketones

↓Fat stores/glycogen

Moderate
595
Exercise recovery

Less muscle damage

Better recovery +40%

Improved strength/lean mass

Moderate
830
Nutrient uptake

Carnitine uptake +21%

Fat use -55%

Cord uptake enriched

Moderate
387