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.
Additional information about the amount of these nutrients provided by Watermelon can be found in the Food Rating System Chart. A link that takes you to the In-Depth Nutritional Profile for Watermelon, featuring information over 80 nutrients, can be found under the Food Rating System Chart.