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 More than 95% of your L Carnitine stores are contained in your muscles, along with trace amounts in your blood, liver, heart and kidneys. L Carnitine is an essential amino acid that helps you Trimethylamine N Oxide From Gut Microbiota in Chronic Kidney Disease Patients: Focus on Diet Journal of Renal Nutrition L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians L Carnitine Benefits: A Complete Research Based Guide