L Carnitine doesn't magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and you'll feel the difference @Marybosch shows us how L Carnitine will boost your L carnitine ameliorated fasting induced fatigue, hunger, and metabolic abnormalities in patients with metabolic syndrome: a randomized controlled study Nutrition Journal Springer Nature Link Should I use L Carnitine on rest days or just before workouts? L Carnitine Benefits for Chronic Fatigue Syndrome