High variability suggests glycemic index is unreliable indicator of blood sugar response

The glycemic index value of a food can vary by 20 percent within an individual and 25 percent among individuals, according to the results of a controlled feeding trial in 63 healthy adults. The findings suggest glycemic index has limited value in predicting how foods affect blood sugar levels.

from Diet and Weight Loss News -- ScienceDaily http://ift.tt/2ckZ2fZ