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How To Read a Nutrition Label

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Updated July 01, 2014

6 of 10

Fiber
fiber on a food lable

Fiber on a Food Label

Image © Emily Dolson
Fiber is one type of carbohydrate that does not raise blood glucose. In fact, the presence of fiber can slow down the impact of the other carbohydrates in a meal. Therefore, when counting carbs, we subtract the grams of fiber from the grams of total carbohydrate. This gives a number which is variously called effective carbs, or usable carbs, or net carbs, or impact carbs. This figure is the amount of carbohydrate in a food that affects blood sugar.

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