Does Glycemic Index Even Matter? By The Spartan Editors · October 02, 2020 Share Facebook Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest Whatsapp Share on Whatsapp Email The glycemic index averages the effect that food has on blood sugar levels, and assigns it a ranking on the scale. But does it really matter? Find out here. Health The Spartan Editors We're building a better world by empowering people to eat, think, and live like a Spartan. Join us.