The Oscar winner revealed during the latest episode of Amy Poehler’s “Good Hang”<\/a> podcast that he has permanently cut gluten from his diet after discovering how much it had been affecting him, calling the change life-altering as he underwent an intense physical transformation for Christopher Nolan’s upcoming epic film, “The Odyssey.”<\/p>\n “It’s just a complete, complete lifestyle change,” Damon said of, as Poehler described it, “getting jacked in your 50s.”<\/p>\n MATT DAMON SAYS HE DROPPED TO ‘HIGH SCHOOL’ WEIGHT FOR EPIC TRANSFORMATION IN ‘THE ODYSSEY’<\/a><\/p>\n Matt Damon dropped to 167 pounds for Christopher Nolan’s “The Odyssey” after cutting gluten from his diet, calling the change life-altering. (Theo Wargo \/ Getty Images for Tribeca Festival)<\/p>\n “There’s no planning it. Any other time I tried to do something like that, it was always like, well, \u2018My time, my workouts\u2019 \u2026 and this was like \u2026 just put your foot on the gas and that’s it. And that’s the only way to do it, and eat a little less,” he said.<\/p>\n Damon added that he cut out gluten, “which changed my life.”<\/p>\n When Poehler asked whether he still had “any desire” for it, Damon replied, “No, because of what it does to me \u2026 I didn’t know.”<\/p>\n Poehler noted that many people in their generation weren’t aware of food sensitivities while growing up.<\/p>\n MATT DAMON, RALPH FIENNES\u2019 GRUELING WORKOUTS DRAMATICALLY TRANSFORMED THEIR BULKED-UP BODIES<\/a><\/p>\n Matt Damon says eliminating gluten permanently changed his life after discovering a food sensitivity during intense training for “The Odyssey.” (Grant Buchanan \/ Dave Benett\/WireImage)<\/p>\n Damon agreed, saying, “We didn’t talk about it, and I didn’t realize the level to which it was affecting me. Like it’s completely changed my life these last couple years of not eating it \u2026 it’s a bummer. I’m a big fan of bread and beer, and pasta and pizza and all that stuff, but \u2026 how I feel is just [so much better.]”<\/p>\n RUPERT EVERETT CONFESSES ‘I RUINED MYSELF’ TRYING TO BUILD MUSCLE FOR LEADING MAN ROLES<\/a><\/p>\n Matt Damon attends the London premiere of “The Odyssey” at Odeon Luxe Leicester Square on July 6, 2026. (Jeff Spicer \/ Getty Images for Universal Pictures)<\/p>\n Earlier this year, Damon detailed the grueling regimen he followed<\/a> to play the legendary Greek hero Odysseus in Nolan’s highly anticipated adaptation of “The Odyssey.”<\/p>\n Speaking on Travis and Jason Kelce’s “New Heights” podcast,<\/a> Damon said he dropped to 167 pounds \u2014 his lightest weight in decades.<\/p>\n LIKE WHAT YOU\u2019RE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWS<\/a><\/p>\n “Yeah, I was in really good shape,” Damon said. “I lost a lot of weight<\/a>.”<\/p>\n Nolan had a specific vision for the character.<\/p>\n “He said he wanted me \u2026 lean but strong,” Damon explained.<\/p>\n The actor said eliminating gluten played a major role in the transformation.<\/p>\n Christopher Nolan directed Matt Damon in “The Odyssey.” (Ethan Miller\/Getty Images)<\/p>\n “I literally, just because of this other thing I did with my doctor, stopped eating gluten,” he said. “I used to walk around between 185 and 200 pounds. And I did that whole movie at 167 pounds.”<\/p>\n “I haven’t been that light since high school,” Damon added. “So it was a lot of training and a really strict diet<\/a>.”<\/p>\n![\"Matt](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/matt-damon-shirt-muscles.jpg\")
<\/p>\n![\"Matt](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/matt-damon-the-odyssey.jpg\")
<\/p>\n![\"Matt](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/matt-damon-the-odyssey-red-carpet.jpg\")
<\/p>\n![\"Christopher](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/christopher-nolan.jpeg\")
<\/p>\n
![\"Matt](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/matt-damon.jpg\")
<\/p>\n