Andrew Huberman· PhD
L-carnitine and acetyl-L-carnitine in particular facilitates fat oxidation. It helps convert fatty acids into ATP. And indeed supplementing L-carnitine can increase fat loss. That's been shown.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
L-carnitine and acetyl-L-carnitine in particular facilitates fat oxidation. It helps convert fatty acids into ATP. And indeed supplementing L-carnitine can increase fat loss. That's been shown.
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And then we talked about L-carnitine and how L-carnitine itself is critical for the fat oxidation within individual cells. The conversion of fatty acids to energy.