Whey Protein Insulin Secreation

Catherine's Avatar

Catherine

05 Jun, 2013 06:25 PM

Dr. Rosedale,

I have a few quick questions regarding the use of Whey Protein powders. In your book a few of your recipes call for its use and I am generally fond of whey because of its relatively low-carbohydrate and low-calorie nature, but I'm concerned about its insulinogenic nature.

1.) Whey protein (along with all protein in general) stimulates the secretion of insulin almost as much as a slice of white bread, although for different reasons (i.e. muscle repair/recovery). With this in mind, when do you recommend it's use in terms of achieving fat-loss (I.e. early morning, late at night, post-workout etc.)? What about in terms of longevity (I.e. a mid-afternoon vs. early morning insulin spike)?

2.) Being that whey protein causes a rather dramatic insulin spike, should we be mindful of what we consume with our whey protein? For example, in the presence of insulin any saturated fat is quickly shoveled into fat storage, so a couple of eggs along with a whey protein shake may not be ideal for fat-loss. What about in terms of longevity?

3.) For people who exercise regularly or practice endurance sports (such as running), is it better to take whey pre or post workout in terms of achieving fat-loss? If the presence of insulin inhibits the body's ability to use fatty acids for fuel, wouldn't using whey pre-workout prevent the body from using its fat stores during that workout? What about post-workout? Does fatty acid oxidation decline with the use of whey?

Thank you so much for taking the time to answer my questions.

  1. 1 Posted by Catherine on 05 Jun, 2013 06:30 PM

    Catherine's Avatar

    On last question!!!

    Does the use of whey protein increase or decrease insulin sensitivity?

  2. 2 Posted by vlado on 16 Jun, 2013 09:53 PM

    vlado's Avatar

    I am very curious on answer of Dr. Rosedale too. Catherine you can read this article:
    http://weightology.net/weightologyweekly/?page_id=536
    and also previous parts from this guy. From his point is not insulin big problem, bud high BG levels is problem. Bud when I read last article of Dr. Rosedale (and many about insulin metabolic effect) I am not sure now...
    -v-

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