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Potato Fact Check

Potatoes and Diabetes

Can people with diabetes eat potatoes?


According to the American Diabetes Association (ADA), starchy vegetables such as potatoes can be included in the diet of a person with diabetes. The total amount of carbohydrate consumed at any given meal or snack is what is most important. 1


The concern regarding potatoes and diabetes stems largely from the type of carbohydrate found in potatoes (starch). Starch is a complex carbohydrate that is not only found in potatoes but also in bread, pasta, peas and corn. Starch tends to be digested and absorbed rapidly which can lead to a sharp increase in blood glucose levels, an effect known as a high glycemic response. 2 For people with Type 2 diabetes, a food eliciting a high glycemic response can be problematic because they do not efficiently and effectively clear glucose from the blood. Chronically high levels of blood glucose can cause great damage to body tissues and systems.

It’s important to note that the type of carbohydrate is only one dietary factor that can affect blood glucose levels. The total amount of carbohydrate consumed at a given meal (referred to as the glycemic load) also impacts blood glucose levels and often to a much greater degree than the type of carbohydrate. Thus, people with Type 2 diabetes should focus on carbohydrate portion size when planning, creating and consuming meals. 1,3



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1. American Diabetes Association. Diabetes Myths. http://www.diabetes.org/diabetes-basics/myths/
2. Jenkins DJ, Kendall CW, Augustin LSm, Franceschi S, Hamidi M, Marchie A, Jenkins AL, Axelsen M. Glycemic index: overview of implications in health and disease. Am J Clin Nutr. 2002; 76:266S-273S.
3. American Diabetes Association. Lifestyle management: Standards of medical care in diabetes- 2018. Diabetes Care. 2018;41(suppl):S38-S50.
4. Fernandes G, Velangi A, Wolever TMS. Glycemic index of potatoes commonly consumed in North America. J Am Diet Assoc. 2005;105:557-562.
5. Hatonene KA, Virtamo J, Eriksson JG, Sinkko HK, Sundvall JE, Valsta LM. Protein and fat modify the glycemic and insulinemic responses to a mashed potato-based meal. Br J Nutr. 2011;106:248-253.
6. Henry DJ, Lightowler HJ, Kendall FL, Storey M. The impact of the addition of toppings/fillings on the glycemic response to commonly consumed carbohydrate foods. Eur J Clin Nutr. 2006;60:763-769.

Rev. 06/26

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