Organic Diet organic & pure rock black salt (Kala namak) Black Salt is also popular with many other names like Kala Namak, Himalayan Salt and Sulemani Namak. Black salt is commonly used in cooking and is a popular ingredient in Indian recipes. It has volcanic origins and is made up of Sulfur compounds which contribute to its smell and taste. It is also made up of iron and potassium chloride. It is considered as a cooling spice in Ayurveda and is used as a laxative and digestive help. Use in chat masala, chutneys and other savory snacks. Store in a cool and dry place. Black salt is rich in natural & healthy minerals like iron and potassium. Keeps you away from indigestion & constipation with regular dosage. Add a chatpata punch to your chaat, raita, salad and more.