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 for metabolism Lifehack Acetyl L Carnitine Supplement: Uses, Benefits, Side Effects, Dosage, A Welltopia Pharmacy WHAT IS L'CARNITINE? L'Carnitine is like a taxi for fat molecules, helping them get into cells to produce energy. It's found naturally in meat and dairy and can help with burning fat,