If the seal is broken and the medicine in the package may have quality problems, it shall not be purchased.
Wan 'an tablets are not medicines, but health food. The product can help sleep, and is a nutritional supplement for healthy people who want to prevent certain diseases or keep healthy. However, for people who have been diagnosed with the disease, although this product can strengthen the immune system, supplement nutrition and regulate some physiological functions to a certain extent, it only plays an auxiliary role.