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Graph depicting blood sugar change during a day with three meals. The glycemic (glycaemic) index (GI; / ɡ l aɪ ˈ s iː m ɪ k / [1]) is a number from 0 to 100 assigned to a food, with pure glucose arbitrarily given the value of 100, which represents the relative rise in the blood glucose level two hours after consuming that food. [2]
Nutripoints [9] is a food-rating system which places foods on a numerical scale based on their overall nutritional value. The method is based on an analysis of 26 positive factors (such as vitamins, minerals, protein and fiber) and negative factors (such as cholesterol, saturated fat, sugar and sodium) relative to calories.
Foods are scored from 0 to 100; foods with higher GI numbers mean a faster glucose release. High-glycemic foods, usually those scoring 70 or above, are the speedy ones that cause blood sugar to ...
The glycemic index of foods affects your blood sugar, so eating more moderate/low glycemic index foods rather than high glycemic index foods improves the symptoms you feel if your sugar is out of ...
Whereas glycemic index is defined for each type of food, glycemic load can be calculated for any size serving of a food, an entire meal, or an entire day's meals. Glycemic load of a 100 g serving of food can be calculated as its carbohydrate content measured in grams (g), multiplied by the food's GI, and divided by 100.
A quick refresher: the glycemic index (GI) was created in the 1980s by David Jenkins, and measures how fast carbohydrates in food and drink raise your blood sugar on a scale of 1 to 100.
A low glycemic food will release glucose more slowly and steadily, which leads to lower postprandial (after meal) blood glucose readings. A high glycemic food causes a more rapid rise in blood glucose levels after meals. High glycemic foods are ideal for energy recovery after exercise or for a person experiencing hypoglycemia.
Figuring out the right snack foods in between meals is hard enough for most people, but what if you're one of the 18.8 million people in the United States who have been diagnosed with diabetes?