Carnitine: the claims and why it may not work Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to A day in the life using L Carnitine for fat loss. , 3000mg of pure energy without the jitters. Here's how I use it., Save this routine!, #lcarnitine #fatburner #gaspari #dayinthelife #fitness I get asked so many questions about my pre workout combo, so here it is! I take Oxyshred + Acetyl L Carnitine. This combo gives me the energy I need to crush my workouts