Bananas can prevent or treat hypertension: bananas contain potassium, which can discharge excessive sodium ions and lower blood pressure. Another ion that lowers blood pressure is calcium, so if you cut bananas into small pieces and mix them with calcium-rich milk in a blender, it will become the best antihypertensive juice. Banana contains lectin, which is a kind of protein. In the immune system, it can further stimulate the differentiation of T cells and enhance the anti-cancer immunity of human body. But also absorbed directly in the gastrointestinal tract, unlike other protein, so it has more anticancer effect.
Bananas contain a lot of fiber, which can stimulate gastrointestinal peristalsis, increase the volume of feces and help defecation. Bananas fill the stomach easily. A banana is equivalent to about half a bowl of rice, and there is a trace element boron. Eating bananas after exercise can eliminate fatigue.