Citrus Fruits
Citrus fruits such as oranges, lemons and grapefruit contain antioxidants, including flavonoids.
Ingesting flavonoid-rich citrus fruits may reduce inflammation in your body, which can decrease blood pressure and stiffness in your arteries while boosting blood flow and nitric oxide synthesis.
Drinking 10 ounces (500 ml) of blood orange juice per day for one week can cause improvements in artery dilation and significant reductions in markers of inflammation such as IL-6 and CRP compared to a control group.
Regular ingestion of citrus fruits, such as lemon and grapefruit, may help reduce blood pressure and decrease the risks of developing stroke. [4]