What does the term "glycemic index" define?

The term "glycemic index" specifically refers to the speed at which different foods raise blood glucose levels after consumption. It is a ranking system that categorizes carbohydrate-containing foods based on how quickly they increase blood sugar levels compared to a reference food, typically glucose or white bread. Foods with a high glycemic index are rapidly digested and absorbed, leading to a quick rise in blood sugar, while foods with a low glycemic index result in a slower, more gradual increase in blood sugar levels.

Understanding the glycemic index is particularly important for individuals managing diabetes or those interested in maintaining stable energy levels. It allows individuals to make informed choices about their carbohydrate intake and to select foods that can help regulate blood sugar levels effectively. Higher fiber foods, lower calorie foods, or foods with various fat contents do not directly correlate with the specific definition of the glycemic index, which is solely focused on the speed of glucose absorption.