Siren labs® l-carnitine burn™: fat loss support siren labs' l-carnitine burn includes 30mg of calorie burning caleriburn gp™, which has been clinically shown to trigger and activate brown adipose tissue (bat), the increase of energy expenditure and helps decrease visceral fat around a person mid section. Burn calories throughout the day. Formulated with ingredients clinically shown to help increase energy expenditure and decrease visceral fat levels sugar free, low calorie, stimulant free, gluten free keto friendly manufactured in accordance with current good manufacturing practices (cgmp). Sirenlabs l-carnitine burn - strawberry blast 16 oz. (32 servings)