2. Supplementary nutrition: Apple contains certain organic nutrients such as sugar, vitamins and carotene and minerals such as calcium, phosphorus, iron and potassium. Eating apples properly by men can provide nutrients needed by the body, replenish energy for the body, maintain the normal metabolic function of the body, and avoid affecting the health due to malnutrition;
3, increase appetite: Apple contains a lot of acidic substances such as pectin and malic acid, which can stimulate the secretion of gastric acid and saliva, thus helping digestion. And it helps to stimulate appetite, and has a certain improvement effect on anorexia. Men with loss of appetite can eat it properly;
4. Prevent constipation: Apple is also rich in dietary fiber. Although dietary fiber can't be digested and absorbed by men, it can absorb water and expand in the process of passing through the digestive tract, stimulate and promote intestinal peristalsis, make feces easily discharged, and prevent constipation.
Because there are many acidic substances in apples, men with poor gastrointestinal function should avoid eating too many apples at a time. If you eat too much at a time, you may have symptoms such as acid reflux and nausea.