Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost L Carnitine in the Secondary Prevention of Cardiovascular Disease: Systematic Review and Meta analysis Mayo Clinic Proceedings