Guava are oval in shape with light green or yellow skin and contain edible seeds. The outer skin may be rough, often with a bitter taste, or soft and sweet. Varying between species, the skin can be thick, is usually green before maturity, but may be yellow, maroon, or green when ripe. The pulp inside may be sweet or sour Furthermore, guava leaves are used as an herbal tea and the leaf extract as a supplement. Guava fruits are amazingly rich in antioxidants, vitamin C, potassium, and fiber. Guava leaf extract is also thought to help relieve uterine cramps. Guavas are an excellent source of dietary fiber.