The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Benefits of L Carnitine in Ramadan 1. Supports Energy During Fasting L Carnitine helps transport fat into cells to be used as energy. This can be useful during long fasting hours L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Fasting Aid Patch, 30 Patches L carnitine ameliorated fasting induced fatigue, hunger, and metabolic abnormalities in patients with metabolic syndrome: a randomized controlled study Nutrition Journal Springer Nature Link