While watermelon is loaded with vitamins, antioxidants, and hydration benefits, it’s not suitable for everyone. Some individuals should be cautious when enjoying this summertime favorite.
Watermelon has a high glycemic index (GI), meaning it can cause blood sugar to spike quickly—even if it’s relatively low in calories. People with diabetes or insulin resistance should monitor their portion sizes and pair it with protein or fiber to slow absorption.
Watermelon is rich in potassium. For people with compromised kidney function, too much potassium can build up in the blood, leading to serious heart or muscle complications. Always check with a doctor before increasing intake.
Watermelon contains fructose, a natural sugar that some people with IBS (Irritable Bowel Syndrome) struggle to digest. It may cause bloating, gas, or stomach cramps in sensitive individuals.