There's nothing as simple as taking a sip of water when you're thirsty. But if you ask what kind of water is best, things quickly can get complicated. Store shelves are loaded with options to entice you away from tap water --- options promising flavor, energy, vitamins and minerals. Sometimes a fancier water might be a good choice, but be aware of possible effects on your diet, pocketbook and the environment.
Hydration and Health
There's good reason for the traditional recommendation that you drink eight glasses of water a day. Water makes up about 60 percent of your weight and is vital for keeping every part of your body healthy. It helps flush out waste and toxins, infuses your cells with nutrients, and provides moisture to tissues such as those in your nose and throat. MayoClinic.com warns that even a mild case of dehydration can make you feel weak and tired.
Sports Drinks
Active people often keep a favorite sports drink at hand --- and figure it's even better than water to quench their thirst. Not necessarily. The American Academy of Family Physicians advises that plain water usually is all you need to stay hydrated. But you might want to reach for a sports drink if you're planning to work out intensely for more than an hour, because the extra carbohydrates can protect against a dip in your blood sugar. A sports drink also can replenish electrolytes if you're feverish, vomiting or suffering from diarrhea.
Specialty Waters
The United States has one of the safest water supplies in the world, and filling a bottle from your tap is easy on your budget. Flavored waters can be a refreshing option, but check labels to ensure that you're not swigging a lot of extra calories. Or try making your own flavored water by adding a splash of citrus, a slice of cucumber or a sprig of herb, such as mint. As for vitamin waters, MayoClinic.com advises that they're of little benefit if you are eating a balanced diet or already taking a multivitamin.
Other Considerations
If your urine is clear or light yellow, you're probably adequately hydrated --- from water as well as other beverages and foods. But you'll want to drink more at times, especially when the weather is hot or when you're pregnant, nursing or coping with a bladder infection. Beware of water concoctions with added sugar and caffeine. Also, there's increasing concern about the environmental impact of millions of plastic water bottles. Some workplaces and institutions --- the Harvard School of Public Health, for example --- have stopped selling bottled water and urge people to bring their own refillable bottles instead.
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