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Carbohydrate issues: type and amount.

Madelyn L Wheeler1, F Xavier Pi-Sunyer

  • 1Nutritional Computing Concepts, Zionsville, IN 46077, USA. mlwheele@iupui.edu

Journal of the American Dietetic Association
|May 28, 2008
PubMed
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Understanding carbohydrate type and quantity is crucial for managing blood glucose levels in diabetes. Different carbohydrates impact glycemic control differently, influencing dietary recommendations for individuals with diabetes.

Area of Science:

  • Nutrition Science
  • Endocrinology
  • Metabolism

Background:

  • Carbohydrate intake significantly impacts postprandial glucose levels and glycemic control in diabetes.
  • Existing guidelines from the American Diabetes Association and American Dietetic Association inform dietary strategies for diabetes management.

Purpose of the Study:

  • To review and interpret clinical studies on the relationship between carbohydrate type, amount, and diabetes management.
  • To clarify how different carbohydrates are metabolized and affect blood glucose levels.

Main Methods:

  • Literature review of clinical studies focusing on diabetes and carbohydrate metabolism.
  • Analysis of data from the American Diabetes Association and American Dietetic Association resources.

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Main Results:

  • Not all carbohydrates are equally metabolized to glucose; added sugars are fully metabolized, while sugar alcohols and fiber are only partially metabolized.
  • Starch (amylose, amylopectin) is almost entirely metabolized to blood glucose.
  • The percentage of carbohydrate energy for individuals with diabetes is individualized based on preferences, medications, and weight goals.

Conclusions:

  • The type and amount of dietary carbohydrate are critical factors in managing diabetes.
  • Concepts like glycemic index and glycemic load offer tools for controlling postprandial glycemia by considering carbohydrate availability and quantity.