L-carnitine refers to L-carnitine, which belongs to a kind of medication for weight loss, and it is not recommended to drink L-carnitine during menstruation. L-carnitine can promote fat metabolism and is often used with aerobic exercise for weight loss. However, during menstruation, women’s body quality is at a lower level, the demand for nutrients is higher, it is not suitable to eat L-carnitine at this time, otherwise it is easy to cause stimulation to the body to see, resulting in endocrine disorders, low menstrual flow, menstruation color change and so on, so it is not recommended to eat. L-carnitine use may produce weakness, nausea and other adverse reactions, for this drug allergic people can not be used, if you need to lose weight, it is recommended that under the guidance of a professional doctor, avoid the unauthorized use of weight loss medication, to prevent the cause of physical discomfort, resulting in adverse consequences.