Bananas contain many minerals, the most obvious of which is zinc. 100g banana contains 256mg of zinc, which is far ahead among fruits. 100g banana contains only 0.8mg of sodium, which is a very common fresh fruit with high potassium and low sodium. Compared with patients with hypertension, eating bananas is beneficial to stabilize the osmotic pressure outside blood vessels, while calcium ions maintain the osmotic pressure inside capillaries, and sodium ions are outside body cells, so the two positive ions should be balanced with each other. However, because people may often eat heavy-tasting food, eat too much salt and take too much sodium ion, which leads to an increase in blood flow.

Bananas also contain nutrients such as iron, manganese, zinc, selenium and copper. Banana contains vitamin B tablets, vitamin D, vitamin C and vitamins, and its nutritional value is very comprehensive. Banana dietary fiber is rich and colorful, so it is often seen that bananas can improve constipation. Dietary fiber is beneficial to increase the volume of food residue, improve the gap and make food residue discharged more strongly. The water-soluble dietary fiber in bananas is particularly rich and colorful. They can also absorb water, maintain sticky defecation, promote gastrointestinal peristalsis and improve the feeling of defecation.

Banana belongs to a kind of fresh fruit with high sugar content. 100g The sugar content of bananas is about 20g, so the sugar content in fruits is far ahead. Eating too many bananas will do great harm to blood sugar, and the total sugar intake will be greatly increased. Too much sugar intake may eventually turn into human fat, which may also cause obesity. It is strongly recommended that eating 1~2 bananas per day is enough, or eating 1 banana can enrich the intake of other fruit varieties.

Because the sugar content of bananas is relatively high, the sugar content of 100g is as high as 21g. Eating too much will intake too much sugar, which is harmful to blood sugar, especially for patients with hyperglycemia and uremia. Bananas in traditional Chinese medicine, bananas are "slightly cold" ingredients. For groups with internal heat due to yin deficiency in the stomach and intestines, eating too many bananas is easy to cause diarrhea, and bananas are also very prone to flatulence. For people with irritable bowel syndrome, it is also likely to cause diarrhea. In short, people with particularly sensitive stomach and intestines should try not to eat too much.