L Carnitine for Cats: Why Energy Drops, How Fat Metabolism Stalls, and How to Protect Heart Function La Petite Labs Hepatic Lipidosis (Fatty Liver Disease) in Cats Veterinary Partner VIN L carnitine is primarily synthesized in the liver from the amino acids lysine and methionine through a series of four enzymatic reactions, with the liver and kidneys converting the precursor butyrobetaine into active February is American Heart Month so we thought we could talk about cardiac diseases that affect our pets. The silent killer of cats is heart disease and often something called a Saddle