l carnitine makes me tired Carnitine: the claims and why it may not work L-Carnitine doesn’t magically burn fat,

Evidence: A 2021 review suggested L carnitine may aid in exercise recovery, muscle oxygen supply, and endurance

F.EnteroH.LeeB.PastarI.et al (2007)

Studies applying this framework to African contexts reveal concerning findings: Calabar, Nigeria (smoked fish consumption): ILCR = 2.99 10 6 (acceptable but elevated) (48) Egypt (grilled meat): ILCR = 1.86 10 5 (18 benchmark level) (40) Urban Ghana (mixed diet including smoked fish and grilled meat): ILCR = 4.2 10 5 (42 benchmark) (38) Interpreting these ILCR estimates requires careful contextualization to avoid overstating risk or stigmatizing cultural practices

Cell Invest, 2025

This is thought to relate to improved mitochondrial function, though direct evidence at cosmetic dosages is limited