Grapefruit contains potassium but no sodium, and also contains natural pectin which can lower blood cholesterol, so it is the best weight-losing fruit for patients with hypertension and cardiovascular diseases. Grapefruit contains valuable natural vitamin P, rich vitamin C and soluble cellulose. Vitamin P can enhance the function of skin and pores, which is beneficial to skin care and beauty. Vitamin C can participate in the synthesis of human collagen, promote the production of antibodies and enhance the detoxification function of the body. Grapefruit also contains natural folic acid, which can prevent women and pregnant women from anemia and reduce the chance of giving birth to deformed babies.

In addition, grapefruit can help people absorb calcium and iron, which are two important minerals necessary to maintain normal metabolism.