Tuesday, January 20, 2015

CARBOHYDRATES - ONE SIZE DOES NOT FIT ALL



Question:  How much carbohydrate does one need daily?

Answer:  Latrina and Crystal thank you for this question.

Carbohydrate (CHO) is the most plentiful nutrient found in food.  If we are not mindful of our food choices, we can easily overindulge in this energy-yielding nutrient.  In fact the Standard American Diet (SAD) typically providing a strong mix of processed foods, soft drinks and white refined foods is said to be a contributing factor to the incidence of obesity.

There are numerous dietary theories, and if you were to ask this question of three different nutrition professionals, it is likely that you would receive varied responses.  The bottom line is that we first need to consider our own specific needs.  Let’s face it we all have different body chemistries, body composition, genetic predispositions and metabolic requirements.  Because of this what works for Latrina may not necessarily work for Crystal.

The Institute of Medicine (IoM) recommends at least 130 grams of carbs daily and 45%-60% calories from carbs.  What these basic guidelines don’t take into consideration is ones bioindividuality.  Let’s take a look at two very simple examples purely for illustration.  First consider someone with metabolic issues such as obesity, pre-diabetes or diabetes.  Consuming large amounts of carbohydrates in addition to a sedentary lifestyle would only lead to weight gain and risk for additional health concerns down the road.  One with metabolic issues would need to reduce amounts of carb intake for glycemic control, to encourage weight loss and to decrease medical health issues.  

Now someone who is highly athletic such as a marathon runner or other endurance athletes would need to consume a larger amount of carbohydrates in comparison to those metabolically challenged.  According to the Academy of Nutrition and Dietetics (AND), carbohydrate recommendations for athletes range from 6 to 10 g/kg (2.7 to 4.5 g/lb) body weight per day.  This could mean as much as 400 grams of carbs daily for an athlete weighing 68 kg or 150 pounds.

I had the opportunity to work with an overweight young woman who was addicted to a daily six-pack of coca-cola.  After simply cutting her carbs from 240 grams to 40 grams, she was losing weight without even starting her exercise regimen.  On the flip side a chronic fatigued marathon runner who restricted his carbohydrates responded with improved physical and mental health after increasing his intake.

Are you unsure about your carb intake?  Keep a food journal for a few days and use an app that can calculate your total grams of carbs daily.  You may be surprised at what it reveals.  If necessary visit a nutritionist who can map out a meal plan for you, especially if you have special dietary needs.

Because of the tendency to overindulge in carbohydrates, I have made a few suggestions for reduction:

  • Identify the types of foods in your diet which provide the most CHO, slowly begin to limit these foods.
  • Eat fiber rich green leafy veggies, fruits, and starchy veggies.
  • Limit or eliminate altogether processed foods and soft drinks.
  •  Limit or eliminate the addition of sweeteners.
  • Use meal planning techniques to better manage your carb intake.

Regardless of how you choose to modify your dietary needs, always listen to your body.  Take the time to figure out what it really needs.  Observe your energy, monitor your weight and check your blood sugar levels.  Always strive for a healthy, balanced approach that can be maintained in the long run.

Dhana

Dhana Blissett has over 20 years experience in the medical and wellness industry.  She is a Registered and Licensed Dietitian, Exercise Physiologist and Certified Holistic Health Coach.

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Resources
Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: Nutrition and Athletic Performance 
J Am Diet Assoc. 2009;109:509-527.

Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol,  Protein and Amino Acids  Institute of Medicine. Released 2002