2-hour pp from first bite or last?

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2-hour pp from first bite or last?


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Old 02-01-2014, 12:13   #1
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Default 2-hour pp from first bite or last?

Greetings

When you do a 2-hour pp test, do you make it 2 hours from the first or last bite?
I've read it should be made from first bite, but this is not convincing, because if it takes me 30 minutes to finish my meal, it means that testing after 2 hours from first bite will test the insulin reaction 2 hours from that first byte, not the whole meal. What do you think?

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Old 02-01-2014, 12:27   #2
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They always say from the start of the meal, but of course it's your meter and strips, try testing both times if you want.

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In nondiabetic individuals, plasma glucose concentrations peak ∼60 min after the start of a meal, rarely exceed 140 mg/dl, and return to preprandial levels within 2–3 h. Even though glucose concentrations have returned to preprandial levels by 3 h, absorption of the ingested carbohydrate continues for at least 5–6 h after a meal.

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Old 02-01-2014, 12:32   #3
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It is my understanding that the 2nd phase insulin response begins at about an hour after the first bite - that is, the pancreas has geared up and produced some new insulin. So the 1hr test would pick up the spike from a diminished or non-existent 1st phase insulin (what is supposed to happen at the time one begins to eat). If you wait later, there's a likelihood that the 2nd phase insulin has begun to cover the carbs and your test wouldn't be as accurate in determining the spike.

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Old 02-01-2014, 17:00   #4
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Your body starts processing the minute you start chewing, and it's important to test at one hour after first bite, to learn the maximum effect your food has on your blood sugar, and then test again at two hours after first bite to learn if your second phase insulin response is kicking in like it should.

That 30 minutes you spend eating? Your body isn't waiting - it's busy cranking out insulin & digestive juices like crazy. You need to stay ahead of it.




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Old 02-01-2014, 21:11   #5
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My meter gave me a very disappointing result. Before eating anything it was 145 (and no it wasn't early in the morning, it was 11 am), then 2 hours after finishing my breakfast it was 200. I'm sure it would be even higher had I tested 2h from first bite. I should eliminate those beans that I eat every morning like crazy!

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Old 02-01-2014, 21:58   #6
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Carbs hit a lot of us hardest in the morning. Unfair, but true.

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Old 02-01-2014, 23:19   #7
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Bean????? Oh my. You need to find an alternative to those carby little things.

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