As far as I know, the pharmacological effects of enzymes are completely different from those of general drugs. Enzymes are a kind of nutrients in the body and will not produce side effects. Xu Lina enzyme can also be taken for a long time, and it is no problem to take it on an empty stomach. Generally taken after meals, it can be slowly absorbed by the stomach and reduce the reaction. I successfully lost weight by taking enzymes under the one-on-one guidance of Lena. . Feel free to ask if you don't understand.