Non-diabetic with questions

CrumblingWall said:

Hello, I have posted before thinking of having type 1 diabetes but it has been 1.5 year since being declared non-diabetic by an endocrinologist and my blood glucose can regulate itself. Tests he has done were: c-peptide (a bit below normal range), normal HbA1c and frusctosamine, abnormal glucose tolerance test twice (13.2 and 14.2 mmol/l after 2 hours) and always normal fasting blood glucose.

I do not have a CGM, but have been measuring my glucose on and off for the last 1.5 year. I ate ketogenic diet majority of that time, whereas endo suggested to start implementing carbs back into diet. I started around a month ago but I never eat fast-acting carbs, except really dark chocolate (85%). I eat legumes, chickpeas, meats, vegetables (no potatoes), no grains.

My problem is that I used to overfocus on BG swings, where on occasions a low carb meal sent me to 7.0 mmol/l. I usually know about this because I always feel off - sweaty, headache, weakness, etc. I realise that those are normal blodo glucose swings but they always make me feel unwell and I stop function well enough to do any of my job (software development).

I also noticed feeling low BG, at below 5 mmol/l.

There is also something weird going on with meals that have higher fast-acting sugar content: sometimes it is even caused by very dark chocolate. My BG can go to 7.0 mmol/l, stays there for 2+ hours and then can come crashing down suddendly, like today where I measured 6.2 mmol/l and swung to 4.9 mmol/l in 10 minutes and felt like crashing to the ground.

My insulin resistance has increased, I think, because it seems BG just stays elevated for too long and then crashes down. It makes me feel like ****, like today (thankfully, working from home ...).

One item that worries me is the low end c-peptide 1.5 year ago. Endocrinologist said because I was on low-carb diet at a time, pancreas did not need to pump much insulin to keep my BG stable (It was 4.5 mmol/l fasting at a time of blood draw). I had no antibodies in my blood (he tested all 4) and he did think it is not diabetes.

However, if I eat a banana, I will go to 10 mmol/l easily. I will contact my primary to measure HbA1c just in case, but my grandmother got diabetes diagnosis at age 30 (I am 26), so there is clearly something wrong with me and my body is incredibly sensitive to blood glucose swings. Anyone could shed light?

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CrumblingWall said:

Hello, I have posted before thinking of having type 1 diabetes but it has been 1.5 year since being declared non-diabetic by an endocrinologist and my blood glucose can regulate itself. Tests he has done were: c-peptide (a bit below normal range), normal HbA1c and frusctosamine, abnormal glucose tolerance test twice (13.2 and 14.2 mmol/l after 2 hours) and always normal fasting blood glucose.

I do not have a CGM, but have been measuring my glucose on and off for the last 1.5 year. I ate ketogenic diet majority of that time, whereas endo suggested to start implementing carbs back into diet. I started around a month ago but I never eat fast-acting carbs, except really dark chocolate (85%). I eat legumes, chickpeas, meats, vegetables (no potatoes), no grains.

My problem is that I used to overfocus on BG swings, where on occasions a low carb meal sent me to 7.0 mmol/l. I usually know about this because I always feel off - sweaty, headache, weakness, etc. I realise that those are normal blodo glucose swings but they always make me feel unwell and I stop function well enough to do any of my job (software development).

I also noticed feeling low BG, at below 5 mmol/l.

There is also something weird going on with meals that have higher fast-acting sugar content: sometimes it is even caused by very dark chocolate. My BG can go to 7.0 mmol/l, stays there for 2+ hours and then can come crashing down suddendly, like today where I measured 6.2 mmol/l and swung to 4.9 mmol/l in 10 minutes and felt like crashing to the ground.

My insulin resistance has increased, I think, because it seems BG just stays elevated for too long and then crashes down. It makes me feel like ****, like today (thankfully, working from home ...).

One item that worries me is the low end c-peptide 1.5 year ago. Endocrinologist said because I was on low-carb diet at a time, pancreas did not need to pump much insulin to keep my BG stable (It was 4.5 mmol/l fasting at a time of blood draw). I had no antibodies in my blood (he tested all 4) and he did think it is not diabetes.

However, if I eat a banana, I will go to 10 mmol/l easily. I will contact my primary to measure HbA1c just in case, but my grandmother got diabetes diagnosis at age 30 (I am 26), so there is clearly something wrong with me and my body is incredibly sensitive to blood glucose swings. Anyone could shed light?

Click to expand...

CrumblingWall said:

Do you remember how low was yours? I was at 0.68 with lower bound 0.8 but fasting BG 4.5 mmol/l I found it really hard to believe it is insulin resistance because surely such low c peptide is the opposite one would expect.

Yes, I figure demanding the GP to repeat the tests make sense. I am thinking of vitamin D as well because of depression and moodiness, I remember it helped before.

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CrumblingWall said:

I did not get hba1c from endocrinologist. I do have 2 measurements after that in the last 1.5 year. 4.9 and 5.0 %.

I mentioned above 0.68 which is below normal lower bound of 0.8. Yours was probably in pmol/l

Overall, I don't know, I am thinking it has to do with stress as well. My glucose is always higher when I am under stress and high mental load (which causes stress). When I am more relaxed, it is around 5.2 mmol/l. Stress can make it 6.5 mmol/l+ fasting, eating nothing.

I think, all I can do is not to eat things that cause me spikes and hope this self-regulation will never fail

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