Guavas are often included among super fruits, being rich in dietary fiber, vitamins A and C, folic acid, and the dietary minerals, potassium, copper and manganese.
Having a low-calorie profile of essential nutrients, a single common guava (P. guajava) fruit contains about four times the amount of vitamin C as an orange. Also high in the antioxidant Lycopene.
Guavas for Cholesterol Reduction
A study from the Heart Research Laboratory in India demonstrated that people who ate five to nine guavas a day for three months reduced their cholesterol levels by 10 percent, triglycerides by 8 percent, and blood pressure by 9.0/8.0 mm Hg, while boosting their "good" cholesterol (HDL) by 8 percent.
Foods such as guavas that are high in pectins appear to lower the amount of cholesterol circulating in the blood, perhaps by forming a gel in your stomach that sops up fats and keeps them from being absorbed by the body.
Guavas for Cancer Prevention
The anti-proliferative activity of guava leaf oil on mouth cancer is 4.37 times more potent than Vincristine, a cancer drug.
Guavas are an excellent source of the antioxidant lycopene, and several studies support a reduction in prostate cancer risk associated with high lycopene consumption.
Lycopene also inhibits the growth of breast cancer cells. Studies in mice have shown that it suppresses breast tumors.
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