Nutrition of Guava: Guava, also known as Guava, has high nutritional value. Guava contains a lot of elements such as protein, fat, sugar, vitamin A, vitamin B, calcium, phosphorus and iron. Eating guava regularly can improve the detoxification ability of human liver, effectively eliminate toxins in the body and prevent aging. Guava also stimulates appetite and promotes children's development. In addition, guava has good medicinal value. Studies show that its fruit has the function of lowering blood sugar and can effectively treat diabetes.