The 2021 revision highlights that while some categories are consistent globally, others vary based on local manufacturing:
Contains approximately 2,100 items tested using the rigorous ISO 26642:2010 standard , which requires testing in at least 10 healthy adults with specific blood sampling intervals. Revised International Table of Glycemic Index (...
Foods are ranked on a 100-point scale based on their effect on blood sugar compared to pure glucose (GI = 100): The 2021 revision highlights that while some categories
Data now better reflects regional differences, showing higher average GI values for breads and rice tested in Asia compared to North America or Europe. Importance of Glycemic Load (GL) Common GI Classifications Breads and breakfast cereals show
Includes roughly 1,900 items deemed reliable but determined through less robust methods, such as smaller sample sizes. Common GI Classifications
Breads and breakfast cereals show high variation; for example, white rice ranges from a GI of 19 to 116 depending on the variety and region.
Most white breads, jasmine rice, and many potato varieties. Major Findings by Food Category