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-   -   High blood fasting glucose on ketogenic adaptation (http://www.lowcarbfriends.com/bbs/general-health-medical-issues/816897-high-blood-fasting-glucose-ketogenic-adaptation.html)

zeinmr 11-11-2013 11:21 AM

High blood fasting glucose on ketogenic adaptation
 
Hello everyone. I am on ketogenic diet for 2 months. I am not diabetic. My body mass index is 24.7 and my health is very good. I chose the ketogenic diet because I am convinced that this is the healthiest one. But for the last week or so I start by curiosity check my blood sugar and I am really surprised. Just let me tell you I am in full keto adaptation and my blood ketones is around 2.7 as average. My glucose when fasting in the morning is 6 to 6.1 mmnol/l (108 to 110 mg/dl). I read many articles about the insulin physiological resistance but I am little suspecious. I mean high blood sugar increase the risk of cardiovascular disease whether it comes from insulin resistance or physiological insuline resistance. I am little hesitating whether to continue with this diet or return back to regular one. Anyone can help me?

Leo41 11-11-2013 11:33 AM

If you are concerned about blood glucose, I suggest you see a doctor for an A1C test (levels over 3 months) which is far more accurate than the fasting number.

At the same time, my experience may help you deal with this. I am not diabetic, but my fasting numbers are typically high (low 90s--lab limit is 120), but my A1c is typically about 5.2, well within normal.

I've read that a ketogentic diet will produce higher fasting numbers, and my endo says that this is true--which is why he goes by my A1c. I'm hypothyroid, which is why I get regular blood tests, and since all my siblings are Type 2 diabetics, my endo keeps his eye on my BG.

zeinmr 11-11-2013 11:47 AM

Thx Leo for reply. But high glucose increase the risk of cardiovascular disease whether your A1c is normal or not.

ravenrose 11-11-2013 01:22 PM

zeinmr, I haven't seen anything to indicate that sporadic blood sugar levels in that range cause any harm. it is normal for non-diabetics to be that high after meals and you don't hear about that being dangerous...

in general it's believed that real damage starts at 140 and above.

have you tested at other times of the day? a reading in your range in the morning coupled with low readings at other times is I believe nothing to be excited about. but obviously if you get readings higher than that later in the day regularly, it's a different matter.

I am thinking your issue might be blood sugar dipping a bit low during the night and triggering that cycle where the liver uses the hormone Glucagon to convert fat to glucose so your blood sugar doesn't get too low. A version of the dawn effect diabetics get. You might try eating closer to bedtime to see if this improves your fasting reading.

good luck!

Leo41 11-11-2013 01:49 PM

zeinmir-
You seem unnecessarily concerned about 'high' blood glucose readings, since your fasting numbers are not really high at all. EVERYONE has temporary spikes after eating that are totally normal and not any cardio risk.

As I've tried to explain (and Ravenrose also explained), the higher fasting number when on a ketogenic diet is a version of the 'dawn phenomenon' that many diabetics experience as the liver tries to keep our blood sugar levels from going too LOW during sleep.

If it disturbs you, I've found that Raven's suggestion of eating something close to bedtime works.

Again, if you have a concern, see a doctor.

zeinmr 11-11-2013 02:02 PM

Thx raverose and Leo I will do an A1C next month and maybe I ll increase my carb to 50mg per day as I am now even lower than 20g . thx


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