Steadfast Nutritions LeanFast is the perfect supplement for athletes who want to burn calories and individuals aiming at losing excess fat. A tablet of LeanFast provides L-Carnitine L-Tartrate, Green Coffee Bean Extract, Green Tea Extract, Caffeine Anhydrous, Coleus Extract, Black Pepper Extract, and Chromium that help in weight loss by promoting fat oxidation and regulating glucose metabolism, which improves the bodys overall metabolism and helps burn calories.