Matt Damon Says Gluten-Free Diet Helped Him Lose Weight for ‘The Odyssey’

The actor credits cutting gluten from his diet with helping him lose weight for his role in director Christopher Nolan's upcoming film "The Odyssey." Here's why nutritionists don't recommend it.

❄️ 30 Days of Winter Wellness. If you're feeling the weight of the season, you're not alone. Today, we share tools to help you manage seasonal blues and depression. January 20, 2026   TODAY'S TOP STORY Matt Damon Says Gluten-Free Diet Helped Him Lose Weight for 'The Odyssey' READ ON   Are Fortified and Enriched Foods Healthy? READ ON   What to Know About L-Theanine READ ON   How Living with Eczema Affects Mental Health, Plus Tips to Manage READ ON MORE STORIES PRODUCT PICK 10 Best Mattresses for Fibromyalgia   Tired of tossing and turning? See the 10 top-rated mattresses designed to manage pain and finally give you a full night's sleep. SHOP NOW TODAY'S RESOURCE How to Identify Skin Cancer with the ABCDE Rule   Learn to identify potentially cancerous moles with this free visual instruction guide. DOWNLOAD NOW What we're reading next • Your Expert Guide to Following a NASH-Friendly Diet • Benefits of Face Massage • Are Fortified and Enriched Foods Healthy? • Alcohol Alternatives in Recipes: What to Consider When Swapping FOLLOW US ON INSTAGRAM We'd love to hear from you! Send us a message at newsletters@healthline.com to let us know what else you'd like to see. Until then, Take care of yourself, and we'll see you again soon! View in browser Did a friend send you this email? Subscribe here. To see all newsletters, click here. Privacy   |   Unsubscribe We may feature your messages to our inbox within our content. Please do not provide any personal identifiable information. Replies may be edited for length and clarity. For more, see our Privacy Policy. Our website services, content, and products are for informational purposes only. Healthline does not provide medical advice, diagnosis, or treatment and should not be used as a substitute for medical advice from a healthcare professional. Healthline encourages you to make any treatment decisions with your healthcare professional. Every product we recommend has gone through either Healthline's or Optum Now's vetting processes. If you buy through links on this page, we may receive a small commission or other tangible benefit. Healthline has sole editorial control over this newsletter. Potential uses for the products listed here are not health claims made by the manufacturers. Healthline and Optum Now are owned by RVO Health. © 2026 RVO Health 1101 Red Ventures Drive Fort Mill, SC 29707