Quote Originally Posted by OakLeaf View Post
Not necessarily ... I think it depends a lot on intensity, among other things. High intensity activities consume energy faster than the body can convert fat to glucose. Low intensity, not necessarily. It's been a very long time for me, and I know my metabolism is very different from what it was 30-35 years ago, but back in the day, I've done several easy 50-milers in the middle of 5-7 day juice fasts, and felt really good.

I think exercise generally tends to stabilize blood sugar in non-diabetic people (also IIRC in people with Type II diabetes, though I don't know that for sure).
Agreed. I definitely train at higher intensities at times and need my fuel for those glycolytic efforts.