Flavored waters, made with or without added sugars, are widely available, as are so-called designer or enhanced waters. Many of these drinks are made with added nutrients and herbs and are labeled with structure-function claims stating, for example, that drinking the product will enhance memory, delay aging, boost energy levels, or strengthen the immune response. Notice, however, that the label also includes a disclaimer, such as “This statement has not been evaluated by the FDA (Food & Drug Administration). This product is not intended to diagnose, treat, cure, or prevent any disease”. The FDA requires this disclaimer whenever a manufacturer makes a structure-function claim. In other words, manufacturers must acknowledge that the statements made on the labels of these fortified waters are not, in fact, based on research or reliable sources.
Actually, the level of nutrients is typically so much lower than what can be obtained from foods that such beverages rarely have much of an impact on health or well-being. Moreover, waters made with high fructose corn syrup, honey, or other sweeteners can add more than 300 calories to your diet.
The best fluid to drink is pure H2O, of course. If you like a little flavor in your water, try adding lemon & cucumber or strawberries and orange pieces to your water. Healthy & refreshing and no exaggerated claims.
Info taken from “Nutrition For Life” 3rd edition, Janice Thompson, PhD, FACSM & Melinda Manore, PhD, RD, FACSM.