It is not a medicine, but a health care product, which belongs to food GB 16740-97 "General Standard for Health (Functional) Food". Article 3. 1 defines health food as: "Health (functional) food refers to a kind of food that has the characteristics of general food, can regulate human functions, and is suitable for specific people to eat, but does not treat diseases. And will not cause any acute, subacute or chronic harm to the human body.