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Question about my C-peptide values


equanimity
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Hej :)

 

 

I have been doing intermittent fasting on and off for a couple of years, today i typically have an eating window of 8-12 hours, it varies. I also haven't been eating refined carbs for years, but I do eat lots of low GI carbs. I am 180 cm, 34 years old, weighing roughly 155, with ca 8% body fat. I recently had my bloodwork done, i do this 3 times a year because I like to keep an tab on my values, especially since I was diagnosed with Iga nephropathy, but I seemingly reversed the condition in the beginning of 2011. In regards to my recent bloodwork it showed my c-peptide levels to be 167 pmol/l, which is pretty far below the reference level, 270-1290, but my B-HbA1c was 5,1%, and most recently 4,9%. My doctor is talking about Diabetes type 1, and because of my history with autoimmunity, (ref: Iga Nephropahty)  off course i worry about this, but could my c-peptide levels be at this level because of my diet, fasting and overall lifestyle(exercising, meditating etc)? I am scheduled to have a glucose toleranse test in a few days.

 

Appreciate any answer :)

 

 

 
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I dont understand those walues?

 

Normal C-peptide levels for a fasting test are generally considered to be anything between 0.5 nanograms (ng) per millileter (ml) and 3 ng/ml, although people who do not have diabetes may occasionally stray out of this range. The following is a range of C-peptide values in people without diabetes, as compiled by Endocrine Sciences, Inc., a California-based laboratory that conducts the test. It should be noted that, in some cases, subjects fell below the normal range of C-peptide values, but were still not found to have diabetes. The range of values may also vary according to what lab your health care practitioner uses.

Children (< 15 years old) 8:00 a.m. fasting: 0.4 to 2.2 ng/ml

Adults 8:00 a.m. fasting: 0.4 to 2.1 ng/ml

Two hours postprandial (after a meal): 1.2 to 3.4 ng/ml

Two hours post glucose load: 2.0 to 4.5 ng/ml

 

http://www.diabeteshealth.com/blog/interpreting-your-c-peptide-values/

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What has your c-peptide been in the past? You really need to look at the trend to see if T1D is coming or not (or anything else for that matter). C-peptide going down and blood sugar up is a trend that points to T1D. If both goes up over time it's more T2D warning. Do you have more values and also for fasting blood glucose and anything else? Ketones (acetoacetate and beta-hydroxybutyrate)?

 

For autoimmune in general I would advice to not eat gluten (wheat) and casein (milk).

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