Nutrition Articles

High Performance Nutrition - Part 2

Recommendations for Very Active People

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Trying to lose weight while eating enough to support vigorous endurance or strength training can be a very tricky business. Cutting too many calories can cause the body to breakdown muscle tissue to meet its energy needs, and make it impossible to replenish energy reserves in time for your next workout. In turn, both of these consequences can lower your metabolism, making it much more difficult to shed body fat and improve body composition.

This article, the second in a series of two, discusses specific nutrition recommendations for highly active people. (Part 1 dealt with "The Big Picture" of using food as fuel.)

Most people who consistently exercise more than 60 minutes per day at high intensity levels need to adjust their nutrition plans in one or more of the following ways:
  • Adjusting carbohydrate, protein, and fat intake so that the amount of each nutrient is appropriate for your individual body size and the type, intensity, duration, and frequency of your physical activity
  • Timing meals and snacks in relation to exercise so that the right amount of fuel is available when needed
  • Using appropriate fluid and energy replacement strategies during long and intense exercise sessions
Below, you’ll find some general recommendations in each of these three areas that you can use as a starting point for finding the right combination for yourself. These recommendations are based on a recent survey of studies, presented in the American Dietetics Association’s Position Statement on Nutrition and Athletic Performance (2004). You can access the full statement at the ADA’s website, www.eatright.org.

Nutrient Recommendations for Very Active People

The following chart shows how active and very active people can adjust their intake of the three macronutrients (carbohydrates, protein and fat).
  • Active is defined as taking part in planned, continuous exercise that is equivalent to walking 6-10 miles per day (a calorie expenditure of 600-1000 calories/day).
  • Very active is defined as taking part in planned, continuous exercise that is equivalent to walking more than 10 miles per day (a calorie expenditure of 1000+ calories/day).
Although aerobic exercise typically burns more calories per training session, most individuals whose major form of training is strength training should consider themselves to be in the “very active” category, due to the nutritional needs associated with larger amounts of lean body mass and the glycogen-depleting effects of extensive, anaerobic strength training.
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About The Author

Dean Anderson Dean Anderson
Dean Anderson has master's degrees in human services (behavioral psychology/stress management) and liberal studies. His interest in healthy living began at the age of 50 when he confronted his own morbid obesity and health issues. He joined SparkPeople and lost 150 pounds and regained his health. Dean has earned a personal training certification from ACE and received training as a lifestyle and weight management consultant. See all of Dean's articles.

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