The higher the number, the more it can increase your blood sugar. Foods with a number between 1 and 55 are considered "low GI," like beans, non-starchy vegetables, and bran cereal. From 56 to 69 ...

When following the high-protein, low-GI (glycaemic index) diet, you alter the types of food you eat in order to increase the gut hormone signal to your brain and trigger the ‘stop eating’ signal.