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T2D; blood sugar goes UP after a.m. workout

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  • T2D; blood sugar goes UP after a.m. workout

    Hi. I'm a Type 2 diabetic. I workout at the gym (30 minutes of combined cardio & weights) at 7am a couple days a week.

    Before workout I generally drink a cup of black coffee w/1-2 tablespoons of coconut oil in it, then eat breakfast after the workout. I thought by eating fat before the workout I would be training my body to use fat for fuel, but....I've noticed that my post-workout blood glucose is always higher, by 20-30 clicks, than the reading I got when I first got up. Is my body too used to using blood glucose for fuel, and therefore creating its own when I start exercising?

    I take meds (Byetta & metforming) with breakfast, and as the morning progresses my blood sugar comes down and is around 100 by lunchtime.

    I have not been religiously Primal of late, but am working on it yet again. I know this will influence my blood sugars.

    Anyway, thanks in advance for any info/insight/hacks you can give. Am wondering if I should try eating half a banana or something before I work out.

  • #2
    High-intensity exercise causes an elevation in blood sugar post-exercise. For most of us, "high-intensity" means 90% of maximum heart-rate, but it can be as low as 70% depending on the individual.

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    • #3
      So, are you saying it's a temporary spike and nothing to worry about? I could be okay with that. I did a couple high intensity activities in my workout.

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      • #4
        Originally posted by me jane View Post
        So, are you saying it's a temporary spike and nothing to worry about? I could be okay with that. I did a couple high intensity activities in my workout.
        It should be. I did a little write-up here:

        Exercise Intensity and Diabetes: HIIT Me? A Worldly Monk
        Last edited by samknox; 01-14-2013, 03:44 PM.

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        • #5
          Originally posted by samknox View Post
          It should be. I did a little write-up here:

          Exercise Intensity and Diabetes: HIIT Me? A Worldly Monk
          Interesting write up there Sam

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          • #6
            Originally posted by Neckhammer View Post
            Interesting write up there Sam
            Thanks.

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            • #7
              Dr. Bernstein talks about this in his "Diabetes Solution" book. I'm a type 1 diabetic, and I take a wee bit of humalog (quick acting insulin) prior to working out to keep my blood sugars stable. In short, when you are stressing muscles (ie exercise) beyond a certain point, your liver amps up the gluconeogenesis to provide fuel for the muscles which are rapidly depleting glycogen stores. As a type 1 on insulin I can compensate for this. As a type 2 who is not on insulin, it will cause your body to create more insulin to compensate (which, as someone with type 2 is impaired). At the same time, it increases your insulin sensitivity, so your net load of stress on your pancreas over the course of a longer period of time is reduced.

              --Me

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              • #8
                Thanks, all. I'll read Bernstein's info about it.

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