The glycemic index (GI) is a scale that measures how quickly
carbohydrate foods are broken down into glucose. The original
purpose for the glycemic index was to help diabetics keep their
blood sugar under control. The glycemic index has recently attracted
a lot of attention in the bodybuilding, fitness and weight loss
world and has even become the central theme in numerous best-selling
diet books as a method to choose the foods that are best for losing
weight.
According to advocates of the glycemic index system, foods that are
high on the GI scale such as rice cakes, carrots, potatoes, or grape
juice are "unfavorable" and should be avoided because high GI foods
are absorbed quickly, raise blood sugar rapidly and are therefore
more likely to convert to fat or cause health problems.
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