Two common sources of energy fuel: food and people. (mindbodygreen.com)
Those molecules are ideally used as either immediate energy fuel for your muscles and brain or converted to glycogen and stored in the liver and muscles as reserve energy. (thebettyrocker.com)
This could be a beneficial property in any ketogenic diet as a decrease in glucose levels in the blood causes the body to break down alternative energy fuels such as ketones. (ketoguidebook.com)