Strong evidenceamino_acid
L-Carnitine for Low Stamina
Increases fat oxidation during exercise, sparing muscle glycogen. Reduces lactate accumulation.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
Research source
SourceVolek JS et al. · Nutrients 2014How much to take
1000–2000 mg
L-carnitine tartrate most studied for exercise. Take with carbohydrates to enhance uptake.