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-   -   blood glucose... Lower than fasting BG after eating (http://www.lowcarbfriends.com/bbs/nutritional-ketosis-high-fat-low-carb/818398-blood-glucose-lower-than-fasting-bg-after-eating.html)

Green 12-09-2013 06:55 AM

blood glucose... Lower than fasting BG after eating
 
This morning my fasting blood glucose was 84.
I checked it again 1 hour after drinking a cup of coffee with 2T if heavy cream and it was 81. (I wanted to see if coffee and/or dairy spike my BG)

Any thoughts on why it wouldn't be higher? I searched online and all I could come up with is I might have hypoglycemia...

I'll be checking again at the 2 hour mark.

Green 12-09-2013 07:34 AM

2 hours after the coffee with cream it's at 77.

lovetoknit 12-09-2013 12:35 PM

Quote:

Originally Posted by Green (Post 16711336)
This morning my fasting blood glucose was 84.
I checked it again 1 hour after drinking a cup of coffee with 2T if heavy cream and it was 81. (I wanted to see if coffee and/or dairy spike my BG)

Any thoughts on why it wouldn't be higher? I searched online and all I could come up with is I might have hypoglycemia...

I'll be checking again at the 2 hour mark.

I do not know the reason, but maybe if you have a little protein with your coffee and cream your blood sugar levels will not dip too low.
Carolyn

clackley 12-09-2013 04:18 PM

Your very slightly higher fasting blood glucose is normal. Many n.k. 'long termers' have much higher fasting b.g. levels as a result of something called physiological insulin resistance. It is nothing to be concerned about if your A1c is within normal range.

Green 12-09-2013 04:51 PM

Thanks y'all. I plan on getting my a1c tested soon

CuriousCat 12-09-2013 06:08 PM

Google "Dawn phenomenon" or "Dawn Effect" it will explain it all.

Basically your body releases glucose stores from the liver before waking to I suppose give you energy to start the day, as I remember it.

I have it too, my prebed readings are always lower than my first thing in the morning readings.

cavewoman 12-10-2013 09:27 AM

I know you posted this a few days ago, but:

I don't think a difference of 4 points can be attributed to the Dawn Effect/the release of glucose by the liver. Firstly, 4 points is well within the range of error for a glucometer (meaning, I could check my glucose three times in a row and get differences within 3-10 points).

84 is a great fasting number, however. Are you concerned? Why are you getting your A1c's testing if your fasting numbers and post-prandials are well within normal range (not trying to be nosy! just curious about if there is a particular reason for concern, in which case, maybe my answer to your query would be different)

I think it is much more likely that you are getting post-prandial lows because of the natural release of insulin after eating, which in someone who is not diabetic, would lower your blood glucose to about the range you are experiencing, which is what it is supposed to do (even when consuming very low carb).

So my guess is that 2T of cream, which = 1 gram of carb, triggered a small insulin response (as it should!), and corrected it a very tiny amount, giving you a low number. As you get up and about, moving, etc, the number goes down as your muscles take in the glucose in your blood (since they can take in glucose without aid of insulin).

I hope this is helpful!

Green 12-10-2013 10:37 AM

Thanks everyone! I am not worried. Just curious really. I'm still questioning methods to see how certain foods affect me...Is testing post prandial blood glucose a good way to figure out if I may have problems with dairy?

I want to get my a1c tested just for good measure.

cavewoman 12-10-2013 10:55 AM

Sensitivity to dairy won't show up in your post prandial numbers, really -- although milk and yogurt are in high in carb (so you might get some spikes, but otherwise, no).

You could have a dairy sensitivity and still get great numbers. I would say the best way is to see how you feel after cutting it out. Try leaving it out for a week or two, then adding it back, and seeing if it makes you feel crappy.

Generally, a gluometer is just helpful for measuring how foods affect your blood sugar, not how inflammatory, etc, they are. Good luck!

Green 12-10-2013 11:01 AM

So let's say I want to see how much of an insulin response my homemade kefir triggers....

I test fasting BG, Then eat the kefir, test an hour later, then two hours later, and look for what results?

cavewoman 12-10-2013 12:50 PM

Yep, you got it!

So, test before you eat. Then, approximately an after hour drinking the kefir, see what your "spike" is -- that means how high that food raised your blood sugar. Your blood sugar usually gets highest at about the 1 hour mark, which is why you test then, but that is not necessarily accurate. Some people spike sooner than that, some people after. I spike at about the 45 min mark, then start to go down. If you want to be really hard core, test every fifteen minutes after you eat whatever food you are testing to find your peak.

At the 2 hour mark, you want your numbers to be back down to normal or normalish (which suggests your pancreas and insulin are functioning normally). If you are still high, it might be something to see a doctor about.

So, at 1 hour, (or whatever your peak is), you want to be no higher than 140 (that is the line at which beta cell damage starts to happen, leading to pooped pancreas, then diabetes)

At 2 hrs, no greater than 110.

Personally, I don't eat any food that spikes me more than 25 points. So if my fasting is 75, if I eat a food, I expect for my one hour number to be about 100. If it is higher than that, I won't eat that food any more (or eat it in lower quantities).

Green 12-10-2013 01:00 PM

Thank you so much!!!!!


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