L-carnitine is an amino acid component that can promote the conversion of fat into energy and has no side effects on human body. The function of L-carnitine coffee is to absorb oil, promote intestinal peristalsis and accelerate the effect of detoxification and slimming, so L-carnitine coffee can play a role in losing weight to a certain extent, but if you want to lose weight healthily, you still need to cooperate with exercise to get the best weight loss effect. After the above detailed understanding, I believe everyone has a clear understanding of the usefulness of L-carnitine coffee. L-carnitine coffee can play a certain role in losing weight, but for people who want to be healthy, they must cooperate with exercise to promote fat burning and achieve the best goal of losing weight.