Very interesting. Thank you for your reply.At +2 hours the normal testing time, I expect to be back to where I was before eating, unless I ate one of my rare more carby meals. Even then, it won't be up by much. However, I rarely test at +2 hours now. I think it's a great test when starting, and that's what you should do, but after time, when things are settled, you might want to start testing the absolute peaks. By that, I refer to the fact that after most meal types, for most people, our highest blood sugar level will be about 45 minutes after eating. Varies by meal and by person, but it's a good average. It I test, which isn't often now, that's when I do it to see the MAX figure. At that stage, I always want to see it below 7.8 mmols. Strange figure, but it does seem to be a significant one. True non-diabetics, and I've road tested my very non-diabetic wife on this plus others, never go above that number it seems whatever they eat. Also, professor Johansson, eminent Swedish endocrinologist, at the world diabetes symposium in 2011, was a main platform speaker and shared his research across many thousands of people over many years. He found that when peaks never rise above 7.8, complications always never arise.
I ran a clinic standard Oral Glucose Tolerance Test on myself, and my wife as a control. After downing the mass of glucose needed for the test, I hit 13mmols after 30 minutes. My wife peaked at; 7.8. That was testing every 15 minutes.
But for now, the guidelines of +2 at +2 hours is a great start. Then try and tweak it down. Then maybe test the peak levels if you want - but that should be some way down the road.
I have started testing an hour after food and then 2 hour after food now and my dinner this evening peaked after 1 hour and started to come down again at at 2 hours. Im learning something new everydayI'm with @Grazer on this one. The 2 hour time is just a guideline. It will unlikely be the peak. It could be well on the way down, or even still climbing. After my home OGTT I peaked at 60 minutes after 75g pure glucose, but of course there was no fat in that drink, and no protein either. (testing every 15 minutes for 3 hours). Fat binds and keeps peaks a bit lower but the rise can be longer. Similar if any carbs in the meal are slow release ones - the peaks will be later.
I have no need to test my post meal levels these days unless it is out of curiosity. I rely on my fasting level and my pre-evening meal level to tell me how I am doing, plus part time use of a Libre. However, for those still learning about food, then the 2 hour guideline is a good one.
I ate around 500 gram of oven cook chips in one feed. my pre meal bgl was around 5.0+, two hours after I was upto 14.0+.I know anything over 2mmol is classed as a bad spike but what do you class as a bad spike, for you.
I ate around 500 gram of oven cook chips in one feed. my pre meal bgl was around 5.0+, two hours after I was upto 14.0+.
I have not eaten them since.
I had my first completely blind day, where I couldn’t find the details of the meal I had in a TGIF, I went for a salad and duck, with a side of chicken strips. Never eating there before I didn’t realise the salad would have a sticky dressing and the strips were coated with something or other. Anyway was 5.4 before the meal, an hour from first bite I was 8.4. 6 hours after down to 5.9. (Previous 3 weeks has been about 120 g carbs) So obviously my choice was not great. Strange thing was I had a headache and felt groggy after meal is this a sign of sugars changing out of ideal range?
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