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. 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: Benefits, side effects, and dosage L Carnitine Linus Pauling Institute Oregon State University APT Wellness Liver Detox Supplement with Milk Thistle (Silymarin Extract), L Carnitine & Glutathione Added Multivitamins, Zinc & Amino Acids Natural Liver Cleanse & Fat Metabolism 60 Tablets : Amazon.in: Antioxidant, antiapoptotic, antigenotoxic, and hepatic ameliorative effects of L carnitine and selenium on cadmium induced hepatotoxicity and alterations in liver cell structure in male mice ScienceDirect