L-carnitine mainly comes from two aspects, one is food intake, and the other is supplement, which is widely found in fruits, vegetables, dairy products and meat. Of course, it can also be synthesized with methionine, lysine, vitamin B and vitamin C, which has good medicinal value. If you want to increase the intensity of exercise, the use of L-carnitine products can improve the speed of fat movement and help the human body reduce the consumption of glycogen, so that it will not be used in exercise. As early as 1980, L-carnitine has been widely used as a nutritional supplement in sports circles. It can enhance immunity, accelerate the synthesis of protein, promote the recovery of body inflammation, and help protect and stabilize cells. This effective supplement is beneficial to people who are exercising and losing weight. It helps to improve their athletic ability. The fat burning efficiency is higher than that of common slimming products 1 1 times. Of course it works. This product has been widely used in sports as early as several decades ago.