Guava is revered for both its vitamin content and anti-aging properties. This is because Guava is very rich in Vitamin A, B and C, and it helps prevent oxidation of cells. It can also be added to hair care products as a natural source of fiber.
They are native to Mexico, Central America, and northern South America. Most likely naturally spreading (by means of ocean drifting) to parts of Southeast Asia, the Caribbean and some parts of Africa, guavas are now cultivated and naturalized throughout the tropics, and due to growing demand they are also grown in some subtropical regions.