What is the glycemic index (GI) of some common foods?
Ozgen Dogan
Cardiology (Cardiovascular Disease)
The glycemic index (GI) ranks carbohydrates according to the effect they have on our blood-sugar levels. Food in its natural state has a lower glycemic index than food that's been processed. The glycemic index of sugar is 100; the GI of potatoes, cakes and some sweets is 80; brown rice and white bread come in at 55 to 70; lentils, chickpeas, apples, grapes and whole-wheat bread score between 18 and 55.

Continue Learning about Carbohydrates


Starches, sugars and fiber are the carbohydrates in food. Carbohydrates are a molecule that plants make during photosynthesis, combining carbon, hydrogen and oxygen. They are very important in your body's metabolism because they a...

re generally the part of food that is digested most quickly. Carbohydrates can give you quick energy, and cause a rise in blood sugar levels. Diabetics, in particular, need to pay attention to the carbohydrates they eat to help manage their blood sugar. Some carbohydrates, those found in whole grains and leafy vegetables, for example have a much slower impact on blood sugar than carbohydrates in fruits or candy. It's easy to consume a lot of carbohydrates, as foods like breads, pasta, cake, cookies and potatoes are loaded with them. Nutrition experts suggest that you should only get 45 to 65 percent of your daily nutrition from carbohydrates.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.