LIQUID L CARNITINE 1100 mg L Carnitine Benefits for Fat Burning and How to Use ICONFIT Amazon.com: L Carnitine 3000 Liquid 3000 mg Carnitine Supplement Zero Calorie Zero Sugar Keto Friendly for Men and Women Great Tasting 31 Servings (Patriot Pop, 16 fl. oz.) : Health & Household L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish.