Doctors recommend no more than 6 grams per day, as taking more than this can raise your blood pressure. If you have high blood pressure, do not take more than 3.75 grams per day. Black salt aids in the slight reduction of blood glucose levels. Small amounts of black salt will also reduce elevated blood pressure.

Black salt commonly starts as Himalayan pink salt and then heated to a high temperature. Black salt is made synthetically from a combination of sodium chloride, sodium sulfate, sodium bisulfate, and ferric sulfate. This is then combined with charcoal and heated.

Indian black salt can be sprinkled on popcorn or kale chips for a unique flavour. Vegans can enjoy black salt because it gives egg-free foods the scent and flavour of eggs. It can also be used as a scrub or a soak while bathing.