L Carnitine Liquid 3300mg for Weight Loss: Does It Work? Alvista Official L CARNITINE increases muscle mass, reduces fat mass. Bangkok Hospital Headquarter This was one of the game changers that helped me lose weight recently! L carnitine supports fat metabolism giving you more energy to burn fat and delay fatigue during physical activity. And it also L Carnitne, good to take when you want to burn calories and when losing weight. Very important in fat loss Take responsibly #L carnitine #gym #workouts #fat loss