How did ancient landlocked people and tribes get the necessary sodium for their diets?

Question

I know that there are some dead seas where people mined the salt, but that’s rare.

In: 3

Answer 1

its not the salt you specifically need, but Sodium instead which you can get in most agricultural based diets.

however As other comments state salt trading is one of the oldest trades in existence a s it was a commodity required to preserve food.