Glycemic Index and Glycemic Load:
Glycemic Load: A measure of total amount of glucose appearing in the blood over time based on the total amount of digestible carbohydrate in the food.
GL = GI / 100 x g
GL of 20 or more is high
GL of 11 to 19 is medium
GL of 10 or less is low
Because some high GI foods may contain relatively little total carbohydrate (or visa versa), calculating a glycemic load based on both GI and total CHO can make sense:
Wonder enriched white bread: GI = 73, GL = 10 . . .
Betty Crocker chocolate cake: GI = 38, GL = 20 . . .