L Carnitine for Fat Loss on Low Carb Diets Dr. Jim Stoppani JYM L Carnitine L Tartrate Building a supplement stack shouldn't feel confusing or expensive. Most people don't need everything. They just need the right pieces that actually fit their goals. That's why we keep expanding the single Most people think L Carnitine is just for fat burning, but it does way more than that. Theres a reason I recommend it for recovery and muscle support and it has everything to do with what happens