8 foods · 4 low GI

Glycemic index of sugars & sweeteners

Sugars differ a lot in GI. Glucose is the reference at 100, table sugar is medium because it is half fructose, and fructose and agave syrup are very low. A low GI sweetener is not automatically healthier: large amounts of fructose have their own downsides.

Serving Level
Agave syrupagave nectar 13 2 20 g Low
Fructosefruit sugar 24 2 10 g Low
Coconut sugarcoconut palm sugar 54 5 10 g Low
Maple syruppure maple syrup 54 7 20 g Low
High-fructose corn syrupHFCS 56 9 20 g Medium
Honeyraw honey 59 10 21 g Medium
Table sugarsucrose 66 7 10 g Medium
Glucosedextrose 100 10 10 g High

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Sources: Atkinson FS et al. International tables of glycemic index and glycemic load values 2021. Am J Clin Nutr. 2021;114(5):1625–1632 · USDA FoodData Central · Methodology & sources · Data last reviewed 2026-09-29.