Guavas fruit plant are a tropical superfruit originating in Central America. They are oval in shape with light green or yellow skin and contain edible seeds. They are amazingly rich in antioxidants, vitamin C, potassium and fiber.
There is some evidence that guava can improve blood sugar control. Several test-tube and animal studies found guava extract reduced blood sugar levels, improved long-term blood sugar control and reduced insulin resistance (1, 2, 3, 4, 5). This is good news for people with diabetes or those at risk.
Guavas may help boost heart health in a number of different ways.
Many scientists believe that the high levels of antioxidants and vitamins in guava may help protect the heart against damage from free radicals. The higher levels of potassium and soluble fiber in guavas are also thought to contribute to improved heart health. Eating guavas has also been linked to lower blood pressure, a decrease in "bad" LDL cholesterol and a rise in "good" HDL cholesterol. Guava fruit plants in Kerala are naturally planted. .