Yangshengtang B vitamins tablets are very safe. It is a pure natural health care product without adding any hormones. Yangshengtang B vitamin tablets are rich in vitamins, and each vitamin has a very important health care function, and the content is also sufficient. The content of each vitamin is beneficial to improve human immunity, activate skin cells and maintain the health of immune system. However, this product cannot be taken instead of medicine and should not exceed the recommended dose.