The Glycemic Index (or GI for short) is a measure of how quickly your blood sugar rises after ingesting a carbohydrate. Basically, once you consume a carbohydrate and it gets digested it gets turned to glucose (blood sugar). Blood sugar is used by the body to manufacture ATP (Adenosine Tri-Phosphate), which is the molecule that the body uses to power up all of its functions. You can think of ATP as your body’s fuel, as without ATP, your organism would not be able to function.

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