Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. Amazon.com: PET LOL Suplemento de taurina para perros con L carnitina y coenzima Q10 (CoQ10): Veterinario respaldado para agrandamiento del corazn (DCM), insuficiencia cardaca congestiva, deficiencia de taurina: 3 en 1 Suplementos The Brain and Mitochondria Boosting Benefits of Acetyl L Carnitine (ALCAR) by Alex Leaf, M.S. The Energy Blueprint