Question: what are the health benefit of watermelon?
Answer: Watermelon also contains citrulline, an amino acid that may increase nitric oxide levels in the body. Nitric oxide helps your blood vessels expand, which lowers blood pressure ( 9 ). Other vitamins and minerals in watermelon are also good for your heart. These include vitamins A, B6, C, magnesium and potassium ( 1 ).