Sodium intake is crucial for blood volume and muscle fullness and is often depleted on ketogenic diets and during fasting.

“there's another way to do that on a carnivore diet and it's salt and I think that that's exactly what you're talking about that you want the muscle bellies to be full you want the blood volume to be robust and this is a really interesting thing about ketogenic diets that Follet can Finny have talked about and we know this from our increasing understanding of ketogenic physiology there's something called the natural recess of fasting which is a super geeky term for the fact that you waste sodium in a fasting state you waste sodium on a ketogenic diet”