propanolol l carnitine swanon products L-Carnitine Supplements Shark Liver Oil, 60 Softgels doi: 10.1056/NEJMra1410151
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doi: 10.1056/NEJMra1410151

& Dieleman, J
It's a more efficient way of taking the supplement
Braz J Otorhinolaryngol

L-carnitine plays an important role in the transport of long-chain fatty acids into the mitochondrial matrix, since it serves as an essential substrate for the enzyme which catalyses the initial step of -oxidation, carnitine palmitoyltransferase 1