Many ways can be done to determine the body's hydration status. Of course, each method has advantages and drawbacks. The means include:
2. measure osmolality and plasma volume
3. urine concentration
4. bioelectrical impedance, and
5. measurement of body mass.
Although the way is very sophisticated and precise to determine the hydration status of the body, but difficult and expensive to do at any time.
Well, there is a practical and easy and no cost that can be done anytime and anywhere, whether at home or at work. The trick is to compare the color of our urine with a row of colors in props (check your own urine). By using this ,then we can immediately correct when the body has not been well hydrated by drinking water consumed immediately clean, safe, and healthy.