The glycemic index is a value (0 to 100) assigned to foods based on how quickly and how high those foods cause increase in blood glucose leval. Studies have shown that the low GI diet may result in weight loss, reduce blood sugar level, and lower the risk of heart disease and type 2 diabetes. When the GI of food ranges from 100-70, then it is considered as a high glycemic index food, these food are not considered good for diabetic patient, when the GI of food ranges from 69-56, then it considered as a medium glycemic index food, when the GI of food ranges from 55-0, then it is considered as a low glycemic index food, it cause blood sugar to rise more slowly in proportionate to its GI number which is considered good for diabetic.