Potassium chloride is used to prevent or to treat low blood levels of potassium (hypokalemia). Potassium levels can be low as a result of a disease or from taking certain medicines, or after a prolonged illness with diarrhea or vomiting.

 Potassium chloride is widely used as a salt replacer or to provide potassium enrichment in many different food products including: ... Snack foods, such as chips or crisps. Sports/electrolyte drinks. Soups.

Clinical and epidemiologic studies suggest that the intake of potassium chloride lowers blood pressure

need to consult with a doctor about their recommended levels of potassium and may need to limit or avoid foods with potassium chloride,” she said. But for healthy individuals, potassium chloride isn't likely to do any harm, she added.