It's a potassium-based salt that food manufacturers mostly use to replace sodium chloride, or table salt. In some applications, it can help lower the presence of sodium by as much as 70%.

Stability of Pantoprazole in 0.9% Sodium Chloride Injection in Polypropylene Syringes . Cary E. Johnson. Disclosures. Am J Health Syst Pharm. 2005;62(23):2410-2412. In This Article.

Potassium chloride is already found in many processed food products that are labeled "low sodium" or "reduced sodium." It's also found in many lower-sodium seasoning blends, Rizzo says.