Sorry, Site is No Longer Active If you are looking for information about GSK or its products please go to gsk.com. © 2001-2022 GSK plc. All rights reserved. Trade marks are owned by or licensed to the GSK group of companies. GSK plc. Registered in England and Wales No. 3888792. Registered office: 980 Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom.