L-carnitine actually exists in our body, and it can also play a very important role, mainly helping to transform fat and consume fat. Therefore, after taking L-carnitine capsules, we also have a certain weight loss effect, especially with exercise. But don't look at L-carnitine as a part of our body, but taking it incorrectly will also cause some harm to our body, especially to our liver and kidneys. At the same time, this product will also affect our sleep quality and have certain harm to the nervous system. Improper use will not only do harm to women, but also affect endocrine and lead to irregular menstruation. Therefore, we must take L-carnitine capsules correctly and do not take this product for a long time, which can reduce the harm of the product. Does L-carnitine capsule have side effects? The above is the introduction to this problem. We can know that although L-carnitine capsules are generally safe, they will also cause some harm to our health, so we must take them correctly.