What is one fruit that epitomizes summer? Watermelon, of course! There’s nothing quite like biting into a juicy piece of watermelon on a hot summer day. Not only is it refreshing and hydrating, but it is also good for your health, especially your heart. According to research, watermelon may increase overall nutrient intake and diet quality. In fact, studies confirm that people who eat watermelon have a higher intake of vitamin A, vitamin C, potassium, magnesium, lycopene, fiber, and other carotenoids. 

Research from 2025 found that watermelon may exhibit cardioprotective properties. That aligns with research from 2022, which found that watermelon may help lower blood pressure. Watermelon makes for a great addition to a healthy diet because it provides lycopene, citrulline, and potassium, all of which may aid your blood pressure-lowering efforts. These nutrients may also enhance blood flow and improve other aspects of heart health. 

Heart-Healthy Benefits Of Watermelon

A 2025 narrative review suggests that watermelon is rich in L-citrulline, an amino acid that may lower blood pressure and aid heart health. The review does not say that the exact cardiovascular benefits of L-citrulline are not clear, though. Even still, researchers note consuming watermelon may help people manage and prevent cardiovascular disease. 

Researchers have found watermelon’s impact on blood vessel health to appear beneficial overall. They attribute this to the compounds in watermelon that interact with nitric oxide production. Research from 2022 revealed that L-citrulline can help lower blood pressure and reduce arterial stiffness. That was especially evident in people with cardiometabolic risk factors, such as traits and lifestyle behaviors that increase the risk of developing cardiovascular disease and type 2 diabetes. 

Watermelon Nutrition Facts

Dietitians note that watermelon is very high in water, making it an excellent fruit to contribute to your hydration efforts. It is also a nearly fat-free source of essential vitamins and minerals. The nutrients in one cup of raw watermelon is as follows:

• Calories: 46
• Fat: 0.2 grams (g)
• Sodium: 1.5 milligrams (mg)
• Fiber: 0.6 g
• Carbohydrates: 11.5 g
• Sugars: 9.4 g
• Protein: 0.9 g
• Vitamin A: 42.6 micrograms (mcg)
• Vitamin C: 12.3 mg
• Lycopene: 6,890 mcg

Tips For Adding Watermelon To Your Diet

The easiest way to enjoy a watermelon is to enjoy it raw. Cut yourself a few slices and enjoy it chilled. Eating watermelon as a healthy snack is not the only way to enjoy it. Because watermelons are so plentiful during the summer months, get creative with them. You can blend watermelon into smoothies, add it to salads (with mint, cucumber, or basil), make a watermelon gazpacho, or make homemade ice pops. You can even make your own watermelon sorbet!

Vincent Stevens

Vincent Stevens is the senior content writer at Dherbs. As a fitness and health and wellness enthusiast, he enjoys covering a variety of topics, including the latest health, fitness, beauty, and lifestyle trends. His goal is to inform people of different ways they can improve their overall health, which aligns with Dherbs’ core values. He received his bachelor’s degree in creative writing from the University of Redlands, graduating summa cum laude. He lives in Los Angeles, CA.