glycemic index

noun

: a measure of the rate at which ingested food causes the level of glucose in the blood to rise

also : a ranking of foods according to the glycemic index

—abbreviation GI

Examples of glycemic index in a Sentence

Recent Examples on the Web

This means that compared to other breads, sourdough is low on the glycemic index (GI), a classification system that ranks carbohydrate-rich foods on a scale of 0-100 according to their impact on blood sugar levels. —Jillian Kubala, Health, 28 Jan. 2025

The nutrition experts recommend especially prioritizing low glycemic index carbohydrates such as legumes, whole grains, and tubers. —Vicky Vera, Glamour, 24 Jan. 2025

Millet As well as being gluten-free with a low glycemic index, millet is rich in protein, amino acids, antioxidants, and minerals like magnesium, calcium, phosphorus, and iron—all essential for healthy hair and skin. —Alessandra Signorelli, Vogue, 30 Dec. 2024

However, they are considered a low to moderate glycemic index food and may play a role in managing blood sugar. —Melissa Nieves, Verywell Health, 15 Jan. 2025

Word History

First Known Use

1981, in the meaning defined above

Medical Definition

glycemic index

noun

: a measure of the rate at which an ingested food causes the level of glucose in the blood to rise

the insulin response caused by carbohydrate depends on the glycemic index … of the food

—Trevor Smith

also : a ranking of foods according to their glycemic index

—abbreviation GI