Low Level of Supplemental Dietary L carnitine Increases Energy Expenditure in Overweight, But Not Lean, Cats Fed a Moderate Ener My 4 month old girl Margo was diagnosed with polyneuropathy last week. Neurologist has recommended L carnitine as a supplement. She's better than she was but not climbing or jumping yet x Dietary Carnitine and Carnosine Increase Body Lean in Healthy Cats in a Preliminary Study Let's look at L carnitine Animal Wellness Magazine Frontiers Dietary choline, but not L carnitine, increases circulating lipid and lipoprotein concentrations, without affecting body composition, energy expenditure or respiratory quotient in lean and obese male cats during weight maintenance Dietary l Carnitine Supplementation in Obese Cats Alters Carnitine Metabolism and Decreases Ketosis during Fasting and Induced Hepatic Lipidosis ScienceDirect