Benefits:
High in pectin and bioflavonoids. Contain phytochemicals that may reduce risk for heart disease, cancer and stokes. A fair source of iron and potassium. A low-calorie sweet snack and dessert. Drawbacks: Since they are often treated with sulfur dioxide to retard spoiling, grapes may present a problem for sulfite-sensitive people. Natural salicylates may provoke an allergic response.