Shark's fin and bird's nest are definitely food, while Radix Ginseng and Cordyceps are Chinese herbal medicines, but they can be sold as health food. According to the Administrative Measures for the Registration of Health Foods (Trial), the list of raw materials and auxiliary materials of health foods is specified: 114 kinds of ginseng, notoginseng, Fritillaria cirrhosa, gastrodia elata, and red deer fetus (velvet and bone). Since they can be used as raw materials of health foods, they can certainly be used as single-flavor health foods for retail.

as for what documents to open such a store, you must first apply for a business license, then a business license for industry and commerce, and finally a hygiene license. It's OK. It's much simpler than opening a drugstore. You don't need GSP certification.