shouldn't a keto Dieter be insulin sensitive, not resistant?
Yes and no.
Physiological Insulin Resistance is a benign state that is not making your diabetic insulin resistance worse. A ketogenic dieter becomes adapted to sparing glucose for use by those cells which absolutely require it. Some brain cells, red blood cells and testes require glucose because they do not have mitochondria. Fasting blood glucose will often rise above 100 mg/dl.
With Physiological Insulin Resistance you will have a low HbA1c value, your liver and kidneys will be very sensitive to the effect of insulin, even though muscle tissue isn’t, you will almost never suffer hypoglycemic events. It takes a few days of eating carbs to return to the normal state for healthy people.
This is why the term is “physiological” and NOT “pathological”. It is not a disease state, it is a healthy response to carbohydrate restriction.
Is physiological insulin resistance such a bad thing? No, it means your body is healthy and functioning properly. If you have physiological insulin resistance, you are not at risk to become diabetic, in fact it is the opposite.
physiological insulin resistance....very low-carb diets will produce elevated fasting blood glucose levels. Why?
Because low-carb diets induce insulin resistance. Restricting carbohydrates produces a natural drop in insulin levels, which in turn activates hormone sensitive lipase.
Fat tissue is then broken down, and non-esterified fatty acids (a.k.a. “free fatty acids” or NEFA) are released into the bloodstream. These NEFA are taken up by the muscles, which use them as fuel.
And since the muscle’s needs for fuel has been met, it decreases sensitivity to insulin.”
This is a good thing.
Have you been on a low-carb or ketogenic diet for some time and are perplexed why your morning blood glucose readings are on the high end? Learn why on our blog.
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