Red, green, or in between, grapes make a tasty snack just about any time. With their sweet flavor and juicy pop, these little round nibbles are basically nature's candy. Tucked in a chicken salad, draped artfully on a charcuterie board, or as a whole-food afternoon snack, they'll add color and nutrients to your diet with a minimum of fuss. Along with antioxidants galore and a bit of fiber , there's one nutrient you might not know lies inside each juicy globe: vitamin K . In a 1-cup serving of raw table grapes, you'll find 22 micrograms of this micronutrient, supplying about 24% of the Recommended Dietary Allowance (RDA) for women and 18% for men. (Related: The 7 Healthiest Foods to Eat Right Now ) For most people, getting plenty of vitamin K is a very good thing. "Vitamin K is one of the essential nutrients that helps your blood to clot," says Kelsey Lorencz, RDN of Graciously Nourished . "Deficiency in vitamin K can lead to increased bruising or ex