The vitamins contained in apples are very beneficial to the human body, especially suitable for people who want to lose weight. Pear is also a good choice for people who want to lose weight, and grapefruit can not only lose weight but also have a good cosmetic effect on the skin. Mature bananas can accelerate the peristalsis of human intestines and achieve the function of relaxing bowels and detoxifying. When the endotoxin in the human intestine is eliminated, it will naturally not gain weight, but if you eat immature bananas, it will aggravate constipation and is not conducive to weight loss. This requires people to choose carefully when buying bananas, and try to choose some yellow ones with no black spots on their skins.