Last year, Centrum was ranked as the second leading U.S. multivitamin brand, its sales being 189.6 million American dollars. (2) This multivitamin was created by Pfizer, the world’s largest pharmaceutical company. Pfizer is also dubbed “manufacturer of fine chemicals,” after a history of health care fraud and illegal marketing (3) that began soon after begin launched in 1849. (4) Despite its sketchy background, Centrum is extremely popular, probably due to the multi-billion dollar ad marketing campaign by Pfizer, most of which are trumped claims with dubious backings. (3)