Super Size Me is a 2004 American documentary film directed by and starring Morgan Spurlock, an American independent filmmaker. Spurlock's film follows a 30-day period from February 1 to March 2, 2003, during which he ate only McDonald's food. The film documents the drastic effect on Spurlock's physical and psychological health and well-being. It also explores the fast food industry's corporate influence, including how it encourages poor nutrition for its own profit and gain.