Pink Himalayan salt is chemically similar to table salt. It contains up to 98 percent sodium chloride. Himalayan salt contains many natural elements and minerals that are vital to our health. Its magnesium, potassium, calcium, chloride, phosphorus, and iron. The salt’s signature pink color is a result of a tiny amount of iron oxide (rust). Zinc, selenium, iodine, and copper are also present in trace quantities. Its use as part of cooking, to season meals, and to preserve food.