Benefits of L Carnitine:, When taken as a supplement, L Carnitine has been shown to have a beneficial impact on weight loss and improved brain function. It has also been linked to improved heart Acetyl L Carnitine Force Factor Increased peripheral of brain derived neurotrophic factor levels in phenylketonuric patients treated with l carnitine ScienceDirect How Acetyl L Carnitine Works HowStuffWorks The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine L Tartrate BoxNutra