L Carnitine Linus Pauling Institute Oregon State University L Carnitine is not a magic fat burner It won't melt fat, build muscle, or replace hard work. The only thing it burns is your money Stick to the basics Should I use L Carnitine on rest days or just before workouts? Best Time to Take L Carnitine: Morning vs Evening for Better Fat Loss & Performance Active Recovery Guide How to Make the Most of Your Rest Days Ultimate Nutrition