If you were actually in a state of ketosis for 3 weeks your body would have mostly adapted to it. It takes a couple days of carb refeeding for insulin sensitivi

If you were actually in a state of ketosis for 3 weeks your body would have mostly adapted to it. It takes a couple days of carb refeeding for insulin sensitivity to return to normal. http://high-fat-nutrition.blogspot.com/2007/10/physiological-insulin-resistance.html http://high-fat-nutrition.blogspot.com/2007/10/physiological... < blog on the topic (sorry to link this blog again, he really has some good posts on topics like this with research linked in)