The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Best Time to Take L Carnitine: A Complete Guide The Science of Good Health L Carnitine has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about it over the last 2ish years., L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Best Time to Take L Carnitine: Morning vs Evening for Better Fat Loss & Performance Carnitine: the claims and why it may not work