Dedicated to strengthening the immune system through natural gluco polysaccharides, Biothera is a biotechnology company that is based in Eagen, Minnesota. They have been in business since 1997. Biothera currently operates two business groups: Pharmaceutical and Healthcare. In Pharmaceutical, Biothera developes cancer immuotherapy drugs. In Healthcare, Biothera manufactures immunity-improving health ingredients for many applications including functional foods, beverages, supplements, cosmetics and animal health products.