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Diabetes Update: Protein, Fat, and the GI

Number 26; November 30, 2001

By David Mendosa

This newsletter keeps you up-to-date with new articles, columns, and Web pages that I have written. I list and link most of these on my Diabetes Directory at

From time to time Diabetes Update may also include links to other Web pages of special interest.

My most recent contributions are:

    on November 26, 2001
  • Controlling Insulin Resistance
    My third article for HealthTalk Interactive about insulin resistance takes a look at the Diabetes Prevention Program. This recently completed program, focusing on people with impaired glucose tolerance, happens to be the best way to study people with insulin resistance and what works to control it. The results were dramatic. The URL is

    on November 30, 2001

    My current "About the Internet" column for the American Diabetes Association's Web site features Dr. Steve Edelman's TCOYD. These initials stand for the Taking Control of Your Diabetes Web site as well as a book with the same title, both in support of his huge conferences. The URL is

Updates include:

  • Protein (and Fat) and the Glycemic Index
    The conventional wisdom holds that between 50 to 60% of protein becomes glucose and enters the bloodstream about 3 to 4 hours after it's eaten. It's generally accepted that fat has little affect on blood glucose.

    In fact, recent studies indicate that neither protein nor fat have more than a minuscule affect on blood glucose. This seems to be true for people both with and without diabetes. The protein studies are particularly interesting.

    A 50-gram dose of protein resulted in only about 2 grams of glucose being produced and released into circulation. And adding protein to carbohydrate doesn't slow the absorption or peak of the glucose response. Fat delays the peak but not the total glucose response, according to these new studies.

    For more, including links to recent articles on this topic see the section "What About Protein and Fat?" on my "Glycemic Index" page at

  • The Satiety Index
    I updated my 1997 article on the satiety index with some research comparing sugar-free and sugar-rich drinks that I just discovered.

    Does drinking sugar-free beverages rather than those loaded with sugar help you cut down on the total amount of calories you take in during a typical day? Or do they just make you hungrier? The answer, surprisingly, is neither. The URL is


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