BioTechUSA Black Burn Watermelon flavor fat Burner 210 gBlack Burn is an instant food supplement containing 26 active ingredients, caffeine, and other substances, intended primarily for athletes who want to lose weight. optimal fat metabolism zinc contributes to the correct metabolism of fatty acids. Choline contributes to the proper metabolism of fats. energy niacin, pantothenic acid, vitamins B6 and B12 participate in the processes of proper metabolism, producing energy and contributing to reducing the