Friday, July 29, 2011

What to Drink for Proper Hydration During Exercise



Staying hydrated is essential for everyone, but athletes have an even greater need to maintain proper hydration. Water is the most important nutrient for life and has many important functions including regulating temperature, lubricating joints and transporting nutrients and waste throughout the body.

It is important to drink even before signs of thirst appear. Thirst is a signal that your body is already on the way to dehydration. It is important to drink more than thirst demands and to continue to drink throughout the day.

Sports drinks can be helpful to athletes who are exercising at a high intensity for 60 minutes or more. Fluids supplying 60 to 100 calories per 8 ounces helps to supply the needed calories required for continuous performance. It’s really not necessary to replace losses of sodium, potassium and other electrolytes during exercise since you’re unlikely to deplete your body’s stores of these minerals during normal training. If, however, you find yourself exercising in extreme conditions over 3 or 5 hours (a marathon, Ironman or ultramarathon, for example) you may likely want to add a complex sports drink with electrolytes.

If you plan on exercising heavily for an extended period of time, it will be important to consume 100-250 mLs of water at least every half an hour. If this is not feasible, ensure you have a few glasses of water 20-30 minutes before exercising, and allow proper rehydration afterwards.

Isotonic sports drinks contain electrolytes at a similar concentration to body fluids. This allows the drink to be absorbed as fast as water. These drinks also contain carbohydrates to help maintain performance by providing energy to the body. During an intense, prolonged workout or training session, to maintain stamina, the intake of extra carbohydrate will be necessary.

Tuesday, July 26, 2011

100 Percent Fruit Juice Benefits



The U.S. Food and Drug Administration defines these terms, and the definitions can be lengthy. However, as a general rule: “100% Juice” is either squeezed directly from the fruit or made from concentrated juice that is reconstituted with water. Welch’s 100% Juices never contain any added sweeteners. “Juice Cocktails” and “Juice Drinks” are formulated with less than 100% juice and, in most cases, contain added sweeteners as well. Note: You can find the juice content of all Welch’s Juice Beverages above the Nutrition Facts panel of the product label, shown as a percentage.

New research indicates that drinking 100 percent fruit juices does in fact have protective health benefits similar to eating whole fruits.

The literature review summarizes recent studies on the potential benefits of fruit juice and has found a positive association between drinking 100 percent juice and reduced risk for several chronic diseases, including cancer, markers for cardiovascular disease and cognitive decline.

Among the fruit juices included in the review, consumption of apple, citrus, cranberry, grape, and pomegranate juices all showed beneficial effects. Markers of improved health ranged from reductions in urinary tract infections (cranberry) to improvements in age-related cognitive decline (grape and apple) to reduced risk of prostate (pomegranate) and respiratory and digestive (orange, grapefruit) cancers. Additionally, intake of all juices was linked to heightened antioxidant activity.

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