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Matt Damon Says Going Gluten-Free Helped Him Lose 10 Kilos for Nolan’s The Odyssey

Nutrition experts emphasize that removing gluten alone does not drive weight loss for most people.

Overview

  • Damon told the New Heights podcast he dropped to about 167 pounds from a typical 185–200 during preparation and filming.
  • He credited a strict regimen that cut gluten under medical guidance along with consistent training.
  • Christopher Nolan requested a "lean but strong" look, which guided Damon’s diet and workouts.
  • Dietitians say perceived benefits of gluten-free eating usually come from cutting refined, processed foods and warn of missed whole-grain nutrients and ultra-processed gluten-free products.
  • Production on The Odyssey has wrapped, with a theatrical release set for July 17, 2026.