How Do You Calculate Gi

Determine the carbohydrate content of each portion of the meal. … Find the proportion of carbs each component adds to the meal by dividing the total grams of carbs by the gram contributed by each component. … Multiply the proportions for the components by the standard glycemic index of the component.

What is the formula for calculating GI?

1. Determine the carbohydrate content of each portion of the meal. …
2. Find the proportion of carbs each component adds to the meal by dividing the total grams of carbs by the gram contributed by each component. …
3. Multiply the proportions for the components by the standard glycemic index of the component.

How do you measure GI in food?

Determining the GI value of a food is a done in a laboratory or clinical research facility by feeding 10 healthy clinical subjects a portion of food containing 50 grams of carbohydrates and measuring their blood glucose for the next two hours. The area under the two hour blood glucose response for the food is measured.