When should BG levels peak

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When should BG levels peak


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Old 04-12-2014, 18:10   #1
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Default When should BG levels peak

When, on average, should postprandial BG levels peak after you eat a high carb meal. I am doing an experiment using my glucometer this morning.

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Old 04-12-2014, 18:13   #2
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We all seem to differ, but most of us peak after 45min to one hour.




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Old 04-12-2014, 18:17   #3
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Ok, thanks for the reply.

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Old 04-12-2014, 18:23   #4
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This is just one more of the YMMV aspects of diabetes, and I suspect you'll begin to notice your own pattern as you continue testing around your meals. Would be nice if there were one sure answer, but with this disorder, we each have to do our own homework.




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Old 04-12-2014, 18:34   #5
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For "new" foods and uncertain situations, best test times are 1 hour after first bite, then a second test 1 hour after that.

Pasta is notoriously slow to spike. Spikes may not show up for 3 - 6 hours!

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Old 04-12-2014, 19:14   #6
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If my meal is very high in fat, then the peak is later on - up to 2 hrs later. But most of the time by 2 hrs its on the way down. I only test at 1 hr for the peak, but I guess it could be before or after that mark. Probably more like 1.5 hrs because of all the fat I eat.

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Old 04-12-2014, 19:18   #7
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Since you eat a very high fat diet VeeJay, what do you normally peak at? What is your fasting BG if you don't mind sharing?

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Old 04-12-2014, 19:48   #8
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I'll have to admit that I'm not testing much these days - not that I'm in denial, but my diet hasn't changed much so there's not as much need to test. My BG stays fairly stable well below 120 with only 10-20pt variations after meals.

When I do test at the 1 hr, its because I've eaten something that I suspect may raise my BG and I find that it might go up as high as 135 or so (ate a couple crackers, for instance). Sometimes I don't test the 1hr (don't remember to do it) and the 2-hr pp might be 125 or so (conclusion - it was higher at 1hr and hasn't come down, or it was a 2-hr delayed spike - either way - too high for my comfort).

But, as I say, the above is an exception. When I do test my FBS it can be anywhere from 80 to 96. If I wait an hour it could be up to 110 or so. Because I'm in ketosis and the liver has little glycogen to use for a glucose dump, a delay in eating doesn't cause any great rise in BG.

I realize this wasn't a straightforward answer. Hope this helps you some.

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Old 04-12-2014, 20:29   #9
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I usually peak at 45 minutes unless there's a lot of fat. If I'm really concerned about a new food, I'll test at 45 minutes and then an hour.

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Old 04-12-2014, 21:40   #10
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Quote:
Originally Posted by VeeJay View Post
I'll have to admit that I'm not testing much these days - not that I'm in denial, but my diet hasn't changed much so there's not as much need to test. My BG stays fairly stable well below 120 with only 10-20pt variations after meals.

When I do test at the 1 hr, its because I've eaten something that I suspect may raise my BG and I find that it might go up as high as 135 or so (ate a couple crackers, for instance). Sometimes I don't test the 1hr (don't remember to do it) and the 2-hr pp might be 125 or so (conclusion - it was higher at 1hr and hasn't come down, or it was a 2-hr delayed spike - either way - too high for my comfort).

But, as I say, the above is an exception. When I do test my FBS it can be anywhere from 80 to 96. If I wait an hour it could be up to 110 or so. Because I'm in ketosis and the liver has little glycogen to use for a glucose dump, a delay in eating doesn't cause any great rise in BG.

I realize this wasn't a straightforward answer. Hope this helps you some.
Thanks, that helps a lot.

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