Your body already makes L Carnitine, so why do people take it as a supplement? Because while it helps burn fat for energy, it only works when paired with the right lifestyle., So before you jump on Didn't another study show carnitine was good for the heart? L carnitine for metabolism Lifehack Elevate your vitality and conquer your day with L carnitine your partner in maintaining boundless energy production, while supporting overall health and wellbeing. Acetyl L carnitine (ALCAR) is naturally produced by the body that