[sputknick]

Not the author, but I have experience with this. For me it takes about a week of slugishness before my body adjusts. Once I'm adapted, my performance is actually better. This goes for heavy weights, low weight/high rep weights, and cardio.

[zadokshi]

The first few times it was like this for me.

After years of doing keto I can get that keto feeling/energy/effect by doing one day of super low carbs and super low calories, I’ll wake up the next day wanting to spring out of bed like you wouldn’t believe.