GlaxoSmithKline plc is a research-based pharmaceutical company. It markets products, such as alli, Gaviscon and Panadol and dental products, such as Aquafresh and Sensodyne, among others. The company has collaborations with others in industries, academia, government, nongovernmental and health care. GlaxoSmithKline plc produces medicines that treat major diseases, such as asthma, virus control, infections, mental health, diabetes and digestive conditions. In 2009, it launched ViiV Healthcare, a global specialist HIV company along with Pfizer. In 2009, the company acquired Stiefel Laboratories, one of the world s largest independent dermatology company s. Its factories produce nine billion Tums tablets, 6 billion Panadol tablets and 600 million tubes of toothpaste every year.