Guava has no cholesterol, is low in saturated fat, has a good amount of dietary fiber and is abundant in vitamin C. It also has significant amounts of Vitamins A, the B complex vitamins, and minerals such as calcium, magnesium and phosphorus.
Guava is also abundant in potassium and has good amounts of copper and manganese.
As guava is a fruit, it is cholesterol free. It contains omega-3 fatty acids, which have been shown to lower levels of "bad" LDL cholesterol and ease conditions such as asthma and depression. The dietary fiber in guava supports the health of the bowel and helps regulate cholesterol levels. Vitamins C and A are antioxidants that protect against the damage done by free radical molecules. B complex vitamins support the health of the nervous system and folate has been shown to prevent birth defects.
Calcium is necessary for the strength and growth of bones and the proper functioning of muscles. Calcium is also an important factor in blood clotting. Copper is necessary to help the body use iron, and magnesium also supports the nervous system and the functioning of the heart. Phosphorus helps the cells of the body use energy, and manganese helps the body synthesize enzymes. Potassium helps to regulate blood pressure.