Black Himalayan salt is chemically similar to table salt. It contains up to *8 percent sodium chloride. The rest of the salt consists of trace minerals, such as potassium, magnesium, and calcium. These give the salt its black tint.Some of black Himalayan salt's commonly promoted health claims include that it can:Improve respiratory diseases.Balance your body's Reduce signs of ageing.Improve sleep quality.Regulate blood sugar.Increase libido.