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Not All Calories Are Created Equal – Are You Meeting Your Needs?

05/19/2017, 8:00am MDT
By USA Hockey

Consider 100 calories from table sugar compared to 100 calories from olive oil

One of the more commonly used phrases when speaking about calories and nutrition is “a calorie is a calorie,” which, to be honest, we find a bit misleading.  The term calorie is a measurement of energy; technically, it’s the amount of energy needed to raise one gram of water one degree Celsius.  Over time, however, calories have come to be associated with human biology, not just with energy.  From an actual energy standpoint, in a closed loop system, all calories are equal.  But when we look at what happens to a calorie after we ingest it, then we start seeing some differences depending on the source of the calories.

Although all foods provide energy to the body, foods also provide nutrients, influence hunger, and trigger different hormonal pathways.  Consider 100 calories from table sugar compared to 100 calories from olive oil:  they have different speeds and pathways of digestion, trigger very different hormonal pathways, and can have very different impacts on weight management and overall health.

So when considering calories, it is important to not just consider the total amount of energy, but also daily nutrient needs.  Health-care providers often recommend that clients focus on nutrient quality, not just total quantity, an approach called nutrient density.  Nutrient density is a concept that promotes getting the most out of daily total calories as possible, and striving to meet not only energy needs but also vitamin, mineral, and other nutrient and biological needs within those total calories.

Calorie needs vary from person to person, and a one-size-fits-one approach should be taken to best meet individual needs.  Factors influencing energy needs include exercise, recovery, illness, and metabolism, all of which can impact an individual’s calorie prescription.  Careful attention to the nutrient density of daily calories can help identify gaps in nutrient intake, and in these cases, nutritional supplements can be used to complement the diet.

Intensity and duration of exercise and training can also have a major role in total calorie needs. Many active individuals underestimate the added calories and added nutrients needed for their activity.

The sport dietitians of the United States Olympic Committee and the University of Colorado’s Sport Nutrition Graduate Program have collaborated on educational guidelines for different training levels to serve as general guidelines.  For many reasons, individuals respond differently to different mixes of calorie sources; therefore, for a more personal caloric prescription, consulting with a health-care practitioner is best.

Easy Training Day Guidelines

Moderate Training Day Guidelines

Hard Training Days

To learn more about Thorne Nutritional products and our partnership please click here

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