Black salt - Himalayan rock salt). This is a dark, reddish-black crystalline salt that turns a grey to pinkish color when ground up. It has a distinct, sulfurous odor and taste.
Black salt, or Kala namak, is dark brown (almost black) but changes to a pinkish-grey powder when it's ground. It is also referred to assanchal.
It has a sulfurous smellâ€”much like boiled eggsâ€”from its natural sulphur content.
Kala namak is rich in iron, which is why it is so dark in color.
This salt is harvested from the natural salt mines in Northern India and Pakistan.
Black salt is used extensively in Ayurvedic medicine, and as a condiment in Indian cooking. It's added to chaat, chutneys, and even sprinkled on fruits and other Indian snacks before eating. It tastes great on cut vegetables, too.
Black salt is low in sodium. It is used in Ayurvedic medicine to treat indigestion, constipation, gas, and heartburn. It is also used to treat high blood pressure and anemia.
black salt is best for people suffering from anaemia and goitre due to its iron and iodine content.
Black Salt is beneficial in abdominal discomfort and other symptoms related to digestive system disorders.
Abdominal pains or cramps