L Carnitine in Autism Spectrum Disorder Encyclopedia MDPI If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. Carnitine Deficiency in Dogs PetMD L Carnitine Linus Pauling Institute Oregon State University L Carnitine and Mounjaro: Safety and Interactions Explained Bolt Pharmacy Study links depression to low blood levels of acetyl L carnitine