5 doctors weighed in: Does alcohol thin the blood? 5 doctors weighed in Want a second opinion? Blood actually doesn't get thinned.  what we call blood thinners are agents that decrease the ability of the blood to clot, usually used in people whose blood clots excessively.
However, due to its very high water content, the same amount of watermelon that provides us with 16% of the DRI for vitamin C only costs us about 46 calories, or about 2% of our total daily calories on a 1800-2000 calorie diet.
Carbs and Fiber in Watermelon. The nutritional value of fruit, like Watermelon, makes it an excellent choice for both weight control and general health. Fruit contains energy-giving fructose (low on the glycemic index), several essential vitamins and minerals, phytochemicals, plus dietary fiber for better health, digestion and blood glucose control.