Isofol Medical AB (publ) is a Sweden-based clinical stage pharmaceutical company. Its primary product is Modufolin, the active metabolite. Modufolin is a folate-based compound, which increases the efficiency and reduces the side effects of chemotherapy. Modufolin contains the key active substance methylenetetrahydrofolate (MTHF), which is the active metabolite in all folate-based medicines and therefore does not require metabolic activation to exert its action. The Company cooperates with pharmaceutical manufacturer Merck & Co Inc, as well as the Company has a worldwide supply and licence agreement for the use of Modufolin in cancer treatment. The Company’s main shareholders are Biofol AB and Yield Life Science AB.