Snap Supplements L Carnitine Gummies, 500mg, Energy, Stamina, Recovery, 60 Gummies Walmart.com What Are L Carnitine Injections Used For? L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage L Carnitine is an amino acid that supports weight loss as it is a fat burning supplement. L Carnitine Push is a direct and quick IV infusion procedure that can be done on a weekly Feeling low energy, struggling with workouts, or hitting a weight loss plateau? L carnitine boosts energy, supports fat burning, and enhances recovery. Ready to feel your best? Stop in for an L Carnitine injection