What is L Carnitine and what does it do? VPA Australia Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Supplements don't replace the workbut they can support it L Carnitine helps your body turn fat into usable energy, so you can push harder and recover better. Consistency first. Supplements second. Results L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute L Carnitine: Benefits, Uses, Side Effects, and More