Functional foods are foods specially used to support the functions of the human body, the body creates comfortable condition, increase resistance, reduce the risk of disease, including food supplements, protection of health food, nutritional food medicine; Special features must be demonstrated by the information and documents related scientific, effective test results on the use of functional foods; to ensure safety, functional foods must be conducted before the announcement to the market.

To conduct to declare functional foods, enterprises need to prepare applications include: The document of conformity of food safety regulations, The document of details of functional food, test functional food results, quality control plan, monitoring periodic plan, Certificate of conformity of food safety regulations, business licenses, certificates to get fit and quality management standards such as HACCP, ISO 22000 and equivalent (if any).

Published functional foods dossier is submitted to the competent management agencies, namely the Food Safety and Hygiene Department, part of the Ministry of Health. After being received, the agency will consider and grant Certificate of conformity of food safety regulations with validity period of 3 or 5 years if the dossier is satisfactory, unsatisfactory circumstances, the enterprise is required to remedy the deficiencies within the prescribed time limit.