my nutrition professor said low carb diets increase insulin resistance and i was kind of taken aback. if a low carb diet results in less insulin secretion, how can this be?
asked byJonas_1 (835)
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on February 02, 2013
at 08:34 PM
From the article: However, going very low carb ??? to around or below 10% of calories, or full-blown ketogenic ??? can induce ???physiological??? insulin resistance. Physiological insulin resistance is an adaptation, a normal biological reaction to a lack of dietary glucose. As I???ve said in the past, the brain must have glucose. It can use ketones and lactate quite effectively, thus reducing the glucose requirement, but at the end of the day it still requires a portion of glucose. Now, in a low-glucose state, where the body senses that dietary glucose might not be coming anytime soon, peripheral insulin resistance is triggered. This prevents the muscles from taking up ???precious??? glucose that the brain requires. The brain???s sensitivity to insulin is preserved, allowing it to grab what glucose it needs from the paltry ??? but sufficient ??? levels available to it.