Glycemic Index Information and Food Sample Chart

Ian C. Langtree - Writer/Editor for Disabled World (DW)
Published: 2011/01/10 - Updated: 2024/04/28
Publication Type: Informative
Topic: Diabetes Information - Publications List

Page Content: Synopsis - Introduction - Main

Synopsis: The glycemic index is a measure of the effects of carbohydrates on blood sugar levels by ranking foodsbased on their immediate effect on blood glucose levels. It's interesting to note that food like white bread or potatoes actually cause a faster blood sugar rise than a food like regular table sugar.

Introduction

The glycemic index was a concept that was introduced by Dr. David Jenkins out of the University of Toronto. It is a concept that categorizes food on how quickly it causes a rise in blood sugar once ingested; it categorizes food whether they are high glycemic or low glycemic.

Focus

Sound complicated? It's not - the glycemic index is just a way to understand how a food will affect blood sugar. Some starchy foods have a high glycemic index, which can cause high blood sugar levels after meals. High glycemic foods include baked potatoes and instant rice. Other foods are non-starchy, such as many vegetables, fruits and legumes, and can help prevent high blood sugar after meals.

It's interesting to note that food like white bread or potatoes actually cause a faster blood sugar rise than a food like regular table sugar. So when you're choosing your meals, for example if you wanted rice for dinner try to choose wild rice over white, and when it comes to fruit choose blueberries over watermelon.

Glycemic Index Sample Chart
GroupGI rangeExamples
Low 55 or less fructose; pulses (black, pinto, kidney, lentil, peanut, chickpea); small seeds (sunflower, flax, pumpkin, poppy, sesame, hemp); walnuts, cashews, most whole intact grains (durum/spelt/kamut wheat, millet, oat, rye, rice, barley); most vegetables, most sweet fruits (peaches, strawberries, mangos); tagatose; mushrooms; chilis, unpeeled sweet potato
Medium 56 - 69 white sugar or sucrose, not intact whole wheat or enriched wheat, pita bread, basmati rice, unpeeled white/yellow potato, grape juice, raisins, prunes, pumpernickel bread, cranberry juice, regular ice cream, banana, peeled sweet potato
High 70 and above glucose (dextrose, grape sugar), high fructose corn syrup, white bread (only from wheat endosperm), most white rice (only from rice endosperm), corn flakes, extruded breakfast cereals, maltose, maltodextrins, peeled white/yellow potato.

The Glycemic Index and Diabetes

The glycemic index (GI) can help diabetic patients manage blood glucose.

A recent study done by Bajorek S.A. and Morello C.M. at Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California in San Diego reports that people who took psyllium fiber supplements and followed a low glycemic index diet improved glycemic risk factors.

Many people use the glycemic index to help them select foods for meal planning, but it can be hard to follow a glycemic index diet on your own to manage your diabetes.

If somebody has more questions about the glycemic index they should speak with a dietitian, Certified Diabetes Educator or a diabetes specialist.

Author Credentials: Ian is an Australian-born writer, editor, and advocate who currently resides in Montreal, Canada. He is the founder and Editor-in-Chief of Disabled World, a leading resource for news and information on disability issues. With a global perspective shaped by years of travel and lived experience, Ian is a committed proponent of the Social Model of Disability-a transformative framework developed by disabled activists in the 1970s that emphasizes dismantling societal barriers rather than focusing solely on individual impairments. His work reflects a deep commitment to disability rights, accessibility, and social inclusion. To learn more about Ian's background, expertise, and accomplishments, visit his full biography.

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Citing and References

Founded in 2004, Disabled World (DW) is a leading resource on disabilities, assistive technologies, and accessibility, supporting the disability community. Learn more on our About Us page.

Cite This Page: Disabled World. (2011, January 10 - Last revised: 2024, April 28). Glycemic Index Information and Food Sample Chart. Disabled World (DW). Retrieved May 19, 2025 from www.disabled-world.com/health/diabetes/glycemic.php

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