What are some slow-release carbs?

Last reviewed Thu 27 June 2019

By Charlotte Lillis

Reviewed by Natalie Butler, RD, LD

Not all carbohydrates release energy at the same rate. The Glycemic Index (GI) is a scale that measures how quickly specific foods release glucose into the bloodstream.


Fast-release carbs, or high GI foods, release glucose into the bloodstream rapidly, causing a spike in blood sugar levels. Slow-release, or low GI, carbs foods provide a slower and more sustained release of energy.


This article focuses on some of the slow-release carbs within common food groups. It also provides information on the health benefits of low GI foods, as well as some important considerations when following a low GI diet.

Read more