There are some controversies about the safety of Qianshu milk coffee. Although some people think that Qian Qian milk coffee is safe, some people will have side effects after using it, such as headache, nausea and diarrhea. In addition, if you use too much, it may lead to an increase in the body's tolerance to caffeine, which may affect sleep.

It should be noted that the safety of thousands of kinds of milk coffee may vary from person to person. Before using any slimming products, it is recommended that you consult a doctor or dietitian to ensure your health and safety.