1: "Discover Cillian Murphy's intense diet for his Oppenheimer role with his co-star's insights."

2: "Learn how Murphy sacrifices for his craft and transformation in this powerful biopic."

3: "Explore the challenges and dedication Murphy puts into becoming Oppenheimer on-screen."

4: "Uncover the secrets behind Murphy's rigorous diet and training regimen for the role."

5: "Find out how Murphy's sacrifice and commitment shine through in Oppenheimer's portrayal."

6: "Get a glimpse into Murphy's transformation process for the highly anticipated biopic."

7: "See how Murphy's co-star reveals the intense sacrifices he makes for his craft."

8: "Understand the level of dedication Murphy has for his role as Oppenheimer."

9: "Experience the passion and commitment Cillian Murphy brings to his transformative performance."