Overview Potassium chloride is an essential mineral supplement and medication widely used to treat or prevent potassium deficiency. It plays a crucial role in maintaining heart function, muscle contractions, and nerve signaling. Apart from medical use, potassium chloride is also used as a salt substitute and in industrial applications such as fertilizers. Understanding its uses, benefits, side effects, and proper dosage is important for safe and effective consumption. What is Potassium Chloride? Potassium chloride (KCl) is a chemical compound composed of potassium and chlorine. It is found naturally in mineral deposits and is commonly used in medicine, food processing, and…