Nature's Bounty L-Carnitine is intended to support celluar energy production. Found in high concentrations in the heart and liver, L-Carnitine helps support the metabolism of fatty acids into energy in the mitochondria. This product may provide support normal, healthy cardiovascular function. L-Carnitine may be helpful as part of an active, healthy lifestyle plan (includes proper diet, exercise, hydration and sleep) for healthy weight management.