How do I know when my body has moved from using carbs as fuel to using fats as fuel. Someone mentioned (in another thread of mine) that I'm not a fat burner yet so my question is how do I know when I am? I've been eating primal for about 20 days or so and I still don't feel 100%, although I do get insane energy most days, but some days I still wake up feeling like I should have slept 8 more hours.
No announcement yet.
Carb burner vs. fat burner