I did very low carb for years with 6 days on 1 day off.[^1] You still get the metabolic flexibility but maybe not as deeply and you certainly miss out on allergen elimination if you're reintroducing them regularly.

[^1]: I was still chonky but I've mostly been chonky my whole life.

That's why the weekend carbs are so bad, your system never completely sets/resets.

chaoticalHeavy

I didn’t have a rhythm with carnivore - did it straight for a year. But for many years before that I was low carb paleoish (meat+veggies but not starchy ones+dairy) with a weekly cheat day. There was a guy I followed that was into low carb plus a cheat day. There’s some benefit in cycling carbs in for weight maintenance iirc.

Ah, I think I had understood somewhere that the keto flu was connected to a lack of electrolytes. Thanks for the link. Also, I'm curious that you also settled on a weekly rhythm to your carnivore diet.

Scoresby

While it could be electrolytes, I'd guess you had 

 where you aren't very flexible metabolically yet (burning fat vs sugar) so are adapting to getting your energy from fat and 

food_and_drinks

HealthAndFitness

My week-long experiment with carnivore diet

> By Thursday, I was getting headaches

While it could be electrolytes, I'd guess you had [the keto flu](https://www.healthline.com/nutrition/keto-flu-symptoms) where you aren't very flexible metabolically yet (burning fat vs sugar) so are adapting to getting your energy from fat and [gluconeogenesis](https://en.wikipedia.org/wiki/Gluconeogenesis).