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Originally Posted by zoedragon Your stomach breaks down carbs into sugars. One slice of white bread will be converted into more sugar than a slice of whole grain bread because the whole grains have lots of fiber to make up some of the bulk. The white bread does not, so practically all of it will be digested into sugar.
I guess your point is sugar is sugar and doesn't need to be broken down. So of course it will be absorbed into the blood stream more quickly. Sugar will thus make your blood glucose shoot up more quickly. However the comparative slice of white bread will cause your blood glucose to shoot up higher. The whole grain slice will take even longer to digest because it has to get through the fiber. |
Why would white bread cause one's blood glucose level to rise to a higher leven than sugar? You are comparing sugar and bread of the same mass, correct?