To find out if you’re fat-adapted, the most effective way is to ask yourself a few basic questions:
Can you go three hours without eating? Is skipping a meal an exercise in futility and misery?
Do you enjoy steady, even energy throughout the day? Are midday naps pleasurable indulgences, rather than necessary staples?
Can you exercise without carb-loading?
Have the headaches and brain fuzziness passed?
Yes? Then you’re probably fat-adapted. Welcome to normal human metabolism!
Read more:
What Does it Mean to Be Fat-Adapted? | Mark's Daily Apple