It’s a common misconception that salt and sodium are the same thing.
Although all salts contain sodium, sodium is only one part of a salt crystal.
In fact, table salt is also called sodium chloride because of the chloride compounds it contains. Your body requires both of these minerals for optimal health .
Notably, rock salt offers trace levels of several other minerals, including iron, zinc, nickel, cobalt, manganese, and copper.
These minerals give rock salt its various colors.
However, since the levels of these compounds are minuscule, you shouldn’t rely on sendha namak as a primary source of these nutrients.