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L-Carnitine

amino-acids · Fat burning · energy · heart · brain · fertility

Moderate evidence

L-Carnitine transports fatty acids into mitochondria for energy production. ALCAR (acetyl-L-carnitine) additionally crosses the blood-brain barrier for cognitive benefits.

⏱️ Timing & dosage for L-Carnitine

Best time to take

Before exercise or morning; ALCAR (brain form) in morning

Suggested dose

500–2,000mg daily; ALCAR 500–1,500mg for cognitive benefits

✅ Benefits of L-Carnitine

  • Fat metabolism and weight management
  • Energy production
  • Athletic endurance
  • Heart health
  • Male fertility improvement
  • Cognitive function (ALCAR form)

⚠️ Side effects & risks

  • May cause fishy body odor at high doses
  • TMAO production concerns at high doses
  • GI upset in some

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.