An athlete's guide to hydration How Much Water Do You Need? The Nutrition Source Water powers nearly every process in the bodyfrom mood and muscle function to metabolism and clear, healthy skin. Drinking enough each day helps flush out waste, keeps your joints comfortable, and supports Why Water Is Important For Joint Pain Dehydration Water is an essential element for the proper functioning of the body. It lubricates your joints, keeping them flexible and reducing the risk of discomfort or inflammation. Proper hydration also supports digestion, Stay Hydrated: Essential for Healthy Body Function