Daiko Pharmaceutical

Daiko Pharmaceutical is a prominent Japanese consumer healthcare company best known for its flagship gastrointestinal medication, Seirogan, which has been a household staple in Japan for over a century. The company operates primarily through two business segments: Consumer Healthcare, focusing on over-the-counter (OTC) medicines for digestive health, and Infection Control, which produces the Cleverin line of chlorine dioxide-based disinfectant products. Daiko is dedicated to improving global health through traditional herbal-based pharmacology and modern chemical infection prevention technologies. Headquartered in Osaka, the company maintains a significant market presence in East and Southeast Asia. Its research efforts focus on the pharmacological effects of wood creosote and the application of chlorine dioxide for air and surface purification.