There isnt enough research to compile to start keto, I believe, sanely. If there was, people wouldnt mess up doing keto. It doesnt get better when people push messiness of keto. Its so bad.
Liver has carbs
Eggs have carbs
Carnivore helps because its low carb
Fat fasting doesnt mean no food
Fasting doesnt mean you should do it before a few months pass by when starting this diet
So much more