Matt Damon Odyssey diet: Matt Damon adopted a gluten-free diet for his role in The Odyssey. This significant lifestyle change helped him achieve his lightest weight since high school. He found that eliminating gluten greatly improved his overall health and well-being. The actor continues this dietary regimen long after filming concluded. This transformation prepared him for Christopher Nolan's epic film adaptation.

Matt Damon has been centre stage on the press trail with a string of appearances to promote his role in Christopher Nolan's mythological epic The Odyssey.

Matt Damon, in a PEOPLE cover story, revealed that filming _The Odyssey_ was the toughest challenge of his career and vowed never to repeat one extreme preparation method.