To understand the numbers on a glycemic index chart, one must first understand the "glycemic effect". The glycemic effect is how the foods we eat affect the glucose (blood sugar) level in our blood stream.

The Glycemic Effect

When you eat a meal or a snack, your blood sugar level rises as the food is digested. This conversion of food to blood sugar, or glucose, is called the glycemic effect. Some foods are digested faster than others, or have a high sugar content to begin w ...