Guavas are rich in dietary fiber and Vitamin C, with moderate levels of folic acid. Having a generally broad, low-calorie profile of essential nutrients. a single common guava fruit contains about four times the amount of vitamin C as an orange. Due to the rich fibre content and low glycaemic index, guavas prevent the development of diabetes. Guava has one of the highest quantities of vitamin-C and iron among fruits, and both are proven to be preventive against cold and viral infections.