OSTOCALCIUM is made by GlaxoSmithKline

GSK is a science-led global healthcare company that researches and develops a broad range of innovative medicines and brands.

Our products are used by millions of people around the world, helping them to do more, feel better and live longer. With our headquarters in the UK, we have a wide geographical reach. We have offices in more than 115 countries, major research centres in the UK, USA, Spain, Belgium and China and an extensive manufacturing network with 87 sites globally.