Bran foods are wheat, rye, etc. It is not harmful for the usual population to eat them in moderation, but the danger of eating them in large quantities over a long period of time is that it affects your health. Those who are allergic to gluten foods are prohibited from eating gluten foods. Gluten foods mainly contain gluten, which is a mixture of a series of single proteins that can be categorized into two groups-alcoholic glutenins and glutenins. Some of the more common gluten foods are wheat, rye, and oats, and gluten is also found in foods such as pasta, pizza, and sandwiches. Moderate intake of gluten in the general population is not harmful and helps to replenish nutrients needed by the body. Meanwhile, the dietary fiber in gluten helps promote gastrointestinal motility, which is beneficial to the health of the body. It is worth noting that people should avoid eating large amounts of gluten foods for a long period of time, so as not to cause counterproductive effects, leading to indigestion, thus jeopardizing the health of the body, which should be taken seriously. The main alcohol-soluble gluten protein of gluten foods, also known as gluten Prions, seem to be the main cause of celiac disease or gluten non-adherence. Gluten is prohibited for people with celiac disease, non-celiac gluten sensitivity, and gluten ataxia. It is recommended that people eat gluten foods in moderation on a daily basis and should also ensure that the food is fresh. If the consumption of gluten is accompanied by unpleasant symptoms, it is important to seek medical attention.