If you’re looking for the best stimulant-free fat burner, BPI Sports CLA+ Carnitine is the best on the market. The fat burner contains 2.5g of CLA Matrix and 2g of Carnitine, which will help with your weight management while burning stored body fat and converting it into energy. The formula boosts metabolism, supports athletic performance, and promotes lean muscle. Better yet, this fat burner comes in four delicious flavors!