Cucumbers add a fresh, light flavor to chilled water. The vegetable also is a good source of vitamin C, vitamin K and potassium. Wash the cucumber, cut it into thin slices and add a few pieces to your water.
Even though it's good for you, too much Vitamin K should be avoided, experts say. Your intake of Vitamin K should not exceed 120 mcg if you are a man and 90 mcg if you are a woman. Learn about why you should avoid too much.