I take L Carnitine for weight loss, it says not to take more then 1g per day, but I read online that i should have 2 4g per day to lose weight. What is Does L Carnitine Work For Fat Loss? L Carnitine 200MG ML Research Prime How L Carnitine Helps with Fat Metabolism 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