glycemic index

American  

noun

1. a system that ranks foods by the speeds at which their carbohydrates are converted into glucose in the body; a measure of the effects of foods on blood-sugar levels.

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glycemic index Scientific  

/ glī-sē′mĭk /

1. A numerical index given to a carbohydrate-rich food that is based on the average increase in blood glucose levels occurring after the food is eaten.

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Example Sentences

Using advanced statistical methods, the research team identified the point at which higher dietary glycemic index values were linked to increased dementia risk.

From Science Daily • Jan. 27, 2026

Diets centered on lower glycemic index foods were associated with a reduced likelihood of developing dementia, while higher GI diets were linked to greater risk.

From Science Daily • Jan. 27, 2026

High glycemic index carbohydrates include white rice, white bread, crackers and baked goods.

From Salon • Aug. 20, 2024

Meanwhile, low glycemic index carbs, such as parboiled rice and al dente pasta, that are more slowly absorbed and produce a smaller blood sugar spike are associated with decreased risk.

From Salon • Aug. 20, 2024

Allulose is about 70% as sweet as sugar, but is very low calorie and has a negligible impact on blood sugar levels, an effect measured by the glycemic index.

From BBC • Dec. 14, 2023