Acute L Carnitine Supplementation Does Not Improve CrossFit Performance: A Randomized, Double Blind, Placebo Controlled Crossover Study Liquid L Carnitine 1500, Blue Raspberry, 16 oz (473 ml) 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 L Carnitine Supplements Nature's Best When Should You Take L Carnitine? MuscleTech