Glucose Say: gloo-kose When you eat, your body turns the food into a sugar called glucose. Like gas for a car, glucose provides fuel for your cells. How does it get to the cells? It's carried to them by the bloodstream. The hormone insulin helps the glucose get to the cells, so it can be used for energy. Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.