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@azure @Brunneria @tim2000s, I would be interested to hear your thoughts on an observation of increased insulin resistance with a very low carb/keto diet.
I was discussing this topic recently with somebody with T1D (we tried a food fast together over a number of days)
They noticed that coming back out of the fast, their insulin requirements had increased fairly significantly in order to manage any carb they ate (the increased requirements only lasted a few days). Interestingly, their basal had remained exactly the same throughout the fast however and blood glucose levels had remained level. This would suggest that their 'insulin resistance' hadn't actually changed at all.
What we considered had perhaps happened was that the body had become so effective at burning ketones and generating its own glucose requirements (gluconeogenesis), that once carbs were re-introduced, the body was fairly 'ambivalent' to it - after all, it had everything it needed to fuel itself perfectly well up until that point. Without cells calling out for a top up of glucose, more insulin would be required in order to be effective at taking the glucose out of the bloodstream.
This was a temporary effect and therefore perhaps different to insulin resistance created through the build up of fat deposits.
Anyway, I thought I would relay this to you (and anyone who might have their own experience to add).
Perhaps it is misleading to think of the body's adaptation to a low carb diet as becoming 'insulin resistant' and it might be better instead to think of it becoming 'fat complient'
I was discussing this topic recently with somebody with T1D (we tried a food fast together over a number of days)
They noticed that coming back out of the fast, their insulin requirements had increased fairly significantly in order to manage any carb they ate (the increased requirements only lasted a few days). Interestingly, their basal had remained exactly the same throughout the fast however and blood glucose levels had remained level. This would suggest that their 'insulin resistance' hadn't actually changed at all.
What we considered had perhaps happened was that the body had become so effective at burning ketones and generating its own glucose requirements (gluconeogenesis), that once carbs were re-introduced, the body was fairly 'ambivalent' to it - after all, it had everything it needed to fuel itself perfectly well up until that point. Without cells calling out for a top up of glucose, more insulin would be required in order to be effective at taking the glucose out of the bloodstream.
This was a temporary effect and therefore perhaps different to insulin resistance created through the build up of fat deposits.
Anyway, I thought I would relay this to you (and anyone who might have their own experience to add).
Perhaps it is misleading to think of the body's adaptation to a low carb diet as becoming 'insulin resistant' and it might be better instead to think of it becoming 'fat complient'