Guava juice controls blood sugar levels in diabetics, lowers cholesterol, treats constipation and diarrhea, and helps prevent cancer, obesity and thyroid disease, according to Doctors Health Press. The health benefits of guava juice flow from the high amounts of antioxidants, fiber and other nutrients contained in it.
The fiber in guava juice is good for the digestive system, enabling food to move quickly through the intestines, claims Doctors Health Press. Fiber lowers cholesterol and blood pressure and suppresses appetite. Additionally, guava juice contains potassium, which also serves to lower cholesterol.
Guava juice contains astringents that kill microbes and clear mucus, making it a good treatment for respiratory infections, dysentery and gastroenteritis, according to Organic Facts. The astringents in guava also are good skin toners.
Guava juice is rich in powerful antioxidants, including lycopene, carotene and vitamin E, that reverse the free radical damage that can lead to cancer, claims Doctors Health Press and Gyanunlimited. These antioxidants produce a healthy glow when applied to the skin, explains Organic Facts.
Guava juice has hypoglycemic properties and has been used to treat diabetes in Asian countries, according to Organic Facts. It also is used to treat dental ailments such as toothaches, swollen gums and oral ulcers. It can speed the healing of wounds and eases the symptoms of epilepsy and bacterial infections.