Creatine vs L Carnitine: Which Supplement Fits Your Goals? L Carnitine and Creatine are both game changers for fitness, but they each shine in different ways! SAVE this as your quick guide! L Carnitine, found in red meat, fish, and chicken, supports fat Life Extension, Creatine & Acetyl L Carnitine, Energy Plus When people hear creatine they usually think bodybuilder only but the truth is deeper. #sponsored I've been using Life Extension's Creatine & Acetyl L Carnitine Energy Plus because it helps support energy production