Other studies have shown that antioxidant compounds in watermelon juice help to prevent some of the symptoms of diabetes. (15)
If you suffer from diabetes, find out what other healthy foods can help to control your symptoms of diabetes.
Watermelon Promotes Good Heart Health
Regularly consuming watermelon or drinking watermelon juice helps reduce your risk of cardiovascular diseases.
The journal Nutrition reported that L-citrulline in watermelon juice boosts arginine which is essential for good cardiovascular health and a strong immune system. In one study, adults consumed 780 ml (26 fl. oz) or 1.5 l (52 fl. oz.) watermelon juice daily. After 3 weeks, scientists noted a significant rise in arginine levels. (16)
Another study involving postmenopausal women found that watermelon supplements helped to reduce arterial stiffness. (17) Arterial stiffness is often associated with a buildup of plaque in the arteries that can lead to myocardial infarction (heart attack).
One clinical trial on 80 men found that consuming watermelon juice helped to increase levels of nitric oxide and improve muscle oxygenation during intense physical exercise. (18) Nitric oxide is an important molecule in the body that increases blood flow and lowers blood pressure. (19)
Learn about other delicious foods you can add to your diet to help improve your cardiovascular health.
Watermelon Can Help Lower Blood Pressure
Because consuming watermelon is so good for your heart, watermelon also has a positive effect in lowering hypertension.
The reason why watermelon has blood pressure-lowering activity is due to L-citrulline. Researchers have found that taking supplements with L-citrulline can help improve vascular function and may help reduce blood pressure. (20)
Other studies have confirmed that the excellent nutrient content in watermelon is good for lowering blood pressure. One small study involving adults with prehypertension found that watermelon extracts helped to lower blood pressure and improve artery health. (21)
Please read this article if you want more helpful tips on how to lower your blood pressure without resorting to medication.
Watermelon Helps Post Exercise Recovery
Taking a large glass of watermelon juice before working out can help your body recover quicker and prevent muscle stiffness.
A study on the beneficial effects of red watermelon juice found that its rich amino acid content helps post-exercise recovery. One 500-ml glass of ordinary watermelon juice contains about 1.7 g of L-citrulline. Athletes who consumed natural watermelon juice before physical activity experienced less muscle soreness 24 hours after training. (22)
Some scientific studies suggest that regularly consuming watermelon puree helps to improve exercise energy demands and prevents oxidative stress after exercising. (23)
Even though drinking a glass of watermelon juice before intense physical activity is beneficial, there is no evidence that watermelon improves physical performance. (24)
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