L Carnitine doesn't magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and you'll feel the difference @Marybosch shows us how L Carnitine will boost your L Carnitine Injection Levocarnitine IV L Carnitine 3000 San Nutrition Neither L Carnitine nor Berberine work like caffeine, yohimbine, or fat burners. They do NOT: Spike your heart rate Jack up your nervous system Cause jitters or crashes Mask The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation What Is Carnitine and Why Is It Important? The Amino Company