Nutritional supplement is products supplementing vitamins and minerals, not for the purpose of supplying energy. The function is to supplement the insufficiency of nutrition supplied by diet, preventing the deficiency of nutrition, and reducing the risk of some chronic diseases.
In China, To sell this kind of products should be got the approval from the China Food and Drug Administration (CFDA). The Procedure for application is as same as health food, except test approach. Nutritional supplements should be done security toxicity test, stability test, hygienic test and identify test for functional ingredients.