Don't eat health products that are not approved by the market. Chitooligosaccharides came out 10 years ago, so far they can only be sold underground like thieves. And chitosan oligosaccharide has caused fraudulent activities of health care products everywhere. Please search for chitosan oligosaccharide scam. At the same time, in view of the appearance of "Dalian Institute of Chemical Physics, Chinese Academy of Sciences" in the market as a propaganda banner to exaggerate the health care products made of chitosan oligosaccharide, the swindler's behavior caused public outrage among the staff of the institute. Dalian Institute of Chemical Physics, Chinese Academy of Sciences (hereinafter referred to as "Dalian Institute of Chemical Physics") issued a solemn statement. Dalian Institute of Chemistry has never authorized any unit to use the names and logos of Dalian Institute of Chemical Physics of Chinese Academy of Sciences, Dalian Institute of Chemistry of China Academy of Sciences and Dalian Institute of Chemistry to produce and publicize health food. If you find false propaganda or use the name of Dalian Institute of Chemical Technology to promote and sell products, please immediately report to the local administrative department for industry and commerce or the food and drug supervision and management department to safeguard your legitimate rights and interests.