Are L Carnitine and L Carnosine the Same? Anti Aging Systems L Carnitine Tartrate Does It Help Burn Fat? AS IT IS Nutrition L Carnitine is one of the most hyped weight loss supplements online but here's what most won't tell you: Your body naturally produces L Carnitine using amino acids l, and a healthy person usually Lets talk about L Carnitine, If youre in the gym community, youve probably heard of L Carnitine but what actually is it?, L Carnitine is a naturally occurring compound that plays a role in helping L Carnitine Metabolic Health Supplement Metagenics