Propionyl L Carnitine with Glycine Ropionyl L Carnitine Walmart: What to Know Before Buying Acetyl L carnitine (ALCAR) improves mood, learning, and memory by aiding in the process that delivers energy to your cells. ALCAR also helps muscle mitochondria burn fat, which can increase your endurance, give you Acetyl L Carnitine (ALCAR) Nootropics Expert Acetyl L carnitine (ALCAR) improves mood, learning, and memory by aiding in the process that delivers energy to your cells. ALCAR also helps muscle mitochondria burn fat, which can increase your endurance, give you