ISO 22000 is an international standard for food safety management systems that aims to ensure safe food supply chains worldwide. It specifies requirements that organizations must meet to demonstrate their ability to control food safety hazards. ISO 22000 benefits various stakeholders by providing assurance of quality, safety, and reliability. It also creates a level playing field for international trade and gives guidance to developing countries. Overall, ISO 22000 contributes to public health by reducing foodborne diseases and improving food safety.