10 Fruits That Help To Treat High Blood Pressure Bananas are a great source of potassium, which helps to lower blood pressure by balancing out the effects of sodium. Apples are high in antioxidants and fiber, which reduce inflammation and improve heart health. Berries are rich in flavonoids, which reduce the risk of heart disease. Kiwis are packed with vitamin C and potassium. Watermelon is high in lycopene, which has been shown to help lower blood pressure and reduce the risk of heart disease. Pomegranates are rich in antioxidants and polyphenols. Grapes are high in antioxidants and resveratrol which are good for heart health. Avocados are high in potassium and healthy fats. Tomatoes are rich in lycopene and other antioxidants, which can help lower blood pressure. Oranges are high in vitamin C and flavonoids which keep the heart healthy.