We do have a process called gluconeogenesis that turns protein and fat into glucose BUT not everyone is very great at doing this. I am one of those, I tried while working for Diet Doctor to adapt to the keto diet for over a year, with no success. Then tried carnivore 2 times, failed both after only 2 weeks (total crash), then tried carnivore & fruit just recently. Guess what? I’m bad at using fructose as an energy source too… Back to carbs. 🙂 Listen to your body.

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This doesn’t replete glycogen though.

So unless you don’t care about doing high intensity exercise or endurance exercise, you need carbs! Just not the types and amounts most Americans eat.

I’m pretty much in agreement with you. 🙂 And I do care a lot about high intensity calisthenics and sprints. Think exercising like this gives more health benefits than doing carnivore and NOT working out.