Austin Hodges IFBB PRO L Carnitine is often marketed as a fat burner, but most people don't realize that oral and injectable L Carnitine are not the same. . Oral Instagram Production of L carnitine by secondary metabolism of bacteria Microbial Cell Factories Springer Nature Link LCarnitine Effects Hyperthyroidism Oxidative Stress Consensus Burn fat. Boost energy. Feel unstoppable. L Carnitine injections help convert stored fat into energy, enhance metabolism, and support muscle recoveryso you can power through your workouts and your Status Epilepticus EMCrit Project natural weight loss & metabolism