Gillian McKeith (born 28 September 1959) is a Scottish television presenter and writer. She is the former host in the UK of Channel 4's
You Are What You Eat and Granada Television's
Dr Gillian McKeith's Feel Fab Forever, and as of 2010 presents
Eat Yourself Sexy on the W Network in Canada. She is the author of several books claiming to be about nutrition, including
You Are What You Eat (2004), and
Dr Gillian McKeith's Ultimate Health Plan (2006).