To determine if you have a digestive enzyme deficiency, you can look at your body’s symptoms, such as the possibility of indigestion and loss of appetite. Digestive enzymes are enzymes whose main function is to promote digestion. They are found in saliva, gastric juice or pancreatic juice, and they are inactive by themselves, and need to be stimulated by the food that enters the body to become active from inactive, so as to promote the digestion of food. 1. Indigestion: the lack of digestive enzymes will affect the body’s digestion of food, making the food stay in the gastrointestinal tract for too long, which will eventually lead to indigestion, bloating and other uncomfortable symptoms. 2. Loss of appetite: If food stays in the body for too long and cannot be digested, it will affect the patient’s digestive process and lead to loss of appetite. There are many reasons for the lack of digestive enzymes, such as chronic pancreatitis, chronic gastrointestinal diseases, etc. If you have the above symptoms for a long time, you need to go to a regular hospital for an examination, to clarify the cause of the disease and then targeted treatment, do not be blind and careless, delayed the condition.