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Was Cillian Murphy a Vegetarian? Unpacking His Plant-Based Journey

4 min read

For roughly 15 years, actor Cillian Murphy maintained a vegetarian diet primarily due to concerns over Mad Cow Disease. His dietary path, however, has not been a straight line and has since evolved to include a temporary return to eating meat for a role and a more recent transition towards a vegan lifestyle.

Quick Summary

The actor has followed a complex dietary journey that included a long period of vegetarianism, a brief return to eating meat for a role, and his current shift towards veganism, influenced by health, ethical, and environmental considerations.

Key Points

  • Long-Term Vegetarianism: For approximately 15 years, Cillian Murphy followed a vegetarian diet due to fears surrounding Mad Cow Disease, not initially for moral reasons.

  • Temporary Relapse for Role: He briefly reintroduced meat into his diet for his role as Tommy Shelby in Peaky Blinders to bulk up, on the advice of his trainer.

  • Return to Plant-Based: After completing Peaky Blinders in 2022, he resumed his vegetarian diet.

  • Transition to Veganism: By 2024, Murphy confirmed he was moving towards a vegan diet, citing ethical and environmental motivations alongside his earlier health concerns.

  • Extreme Role-Specific Diet: For the role of J. Robert Oppenheimer, he followed a different, highly restrictive diet that he does not recommend, distinct from his normal plant-based lifestyle.

In This Article

Cillian Murphy's Longstanding Vegetarianism and Initial Motivation

Before becoming internationally known for his role as Tommy Shelby in Peaky Blinders, Cillian Murphy was a dedicated vegetarian for around 15 years, starting in the mid-1990s. The initial motivation for this long-term commitment was surprisingly not ethical but rather a pragmatic one: a widespread public health scare. The outbreak of Bovine Spongiform Encephalopathy (BSE), commonly known as Mad Cow Disease, in the United Kingdom led many to become wary of eating beef. Murphy has openly stated that his decision to cut out meat was driven by these health fears, reflecting a time when anxieties over food safety were particularly high.

The 'Peaky Blinders' Lapse and Return to Meat

For his iconic role as the formidable gang leader Thomas Shelby, Cillian Murphy was advised to change his diet. The show's producers were concerned that his naturally slender frame might not suit the rugged, more muscular physicality of the character. At the recommendation of his trainer, Murphy made the difficult decision to reintroduce meat into his diet for the first season of Peaky Blinders, ending his 15-year streak of vegetarianism. In a 2017 interview with Mr. Porter, he recalled his first meat meal being a venison steak, which he found to be an “extraordinary” experience at the time. This brief dietary relapse served a very specific purpose—to help him bulk up and convincingly embody his on-screen persona.

The Shift Back to Vegetarianism and Embracing Veganism

Following the conclusion of the Peaky Blinders series, Murphy reflected on his diet and health. He soon found himself returning to vegetarianism, a move he described in a 2022 interview with The Observer. Around this time, he mentioned that his wife, Yvonne McGuinness, was also vegetarian. This return to his long-held dietary practice proved to be another step in his evolving journey. Most recently, Murphy revealed in a 2024 podcast appearance that he has been “trying the vegan thing”. This latest transition was not only influenced by his initial health concerns but also by broader ethical and environmental considerations. He explained that a plant-based diet feels “just better for the planet”.

The Changing Motivations Behind Murphy's Dietary Choices

Cillian Murphy's path from vegetarian to occasional meat-eater and now a vegan highlights the complex and shifting reasons people adopt specific diets. It wasn't a static moral stance but a series of adjustments influenced by personal health, professional requirements, and growing global awareness.

  • Health Fears (1990s): The initial switch to vegetarianism was a reaction to the Mad Cow Disease scare, a public health concern that swayed many people's dietary habits at the time.
  • Professional Requirements (Peaky Blinders): The decision to eat meat for the role of Tommy Shelby was a professional choice, a temporary necessity to achieve a specific physical transformation for his character.
  • Personal Health and Ethical Reasons (2022+): His return to vegetarianism and subsequent move to veganism reflect a more conscious, multifaceted perspective, incorporating both his own well-being and the ethical and environmental benefits of a plant-based lifestyle.

Comparison: Murphy's Diet vs. His 'Oppenheimer' Regimen

While Murphy's general dietary habits are intentional and thoughtful, his preparation for the title role in Oppenheimer involved a far more extreme and unhealthy approach.

Aspect Cillian Murphy's Standard Plant-Based Diet Cillian Murphy's 'Oppenheimer' Diet
Primary Motivation Long-term health, ethical concerns, and environmental sustainability. Achieving a specific, emaciated physical appearance for a demanding role.
Dietary Composition Whole foods, plants, lentils, nuts, and tofu for protein. Severely restricted caloric intake, minimal food. Co-star Emily Blunt joked he ate only an almond a day.
Health Impact Associated with overall better health and longevity, when well-planned. Admitted to being unhealthy and warned against replicating it. Caused him to feel weak and cold.
Role Authenticity Sustains him for general acting roles and daily life. Sacrificed his health for a temporary, intense physical transformation that captured Oppenheimer's gaunt look.
Sustainability An intentional and sustainable approach to eating. An extreme, temporary measure that is not sustainable.

A Conclusion on Cillian Murphy's Diet

Cillian Murphy's dietary history is not a simple 'yes' or 'no' answer. He was a vegetarian for a significant period before briefly relapsing and re-embracing a plant-based diet, eventually exploring veganism. His journey reflects a thoughtful, evolving perspective on food, health, and ethics, rather than a single, unchanging conviction. This complex path demonstrates his dedication to his craft, as well as a growing personal alignment with environmental and ethical concerns. His story serves as a fascinating example of how an individual's diet can be shaped and reshaped by different life stages and external factors.

Visit Vegan Food & Living for more information on Cillian Murphy's vegan journey.

Frequently Asked Questions

Yes, Cillian Murphy ended his 15-year vegetarian streak to eat meat for his role as Tommy Shelby in Peaky Blinders. This was done on the recommendation of a trainer to help him build muscle for the character.

Cillian Murphy initially became a vegetarian in the mid-1990s due to health concerns over the Mad Cow Disease scare, rather than for ethical reasons.

He started eating meat again for a temporary period to build muscle for his character Thomas Shelby in the series Peaky Blinders. He returned to a plant-based diet after the show concluded.

As of a 2024 podcast appearance, Cillian Murphy revealed that he has been 'trying the vegan thing,' indicating he has progressed from vegetarianism to a fully plant-based diet for ethical and environmental reasons.

While co-star Emily Blunt mentioned he ate 'like, an almond every day,' Murphy clarified this was an exaggeration, though he did follow an extremely calorie-restricted diet to achieve the character's emaciated appearance.

Murphy's motivations for going vegan are twofold: he cited both ethical considerations and the positive environmental impact of a plant-based diet.

Yes, Cillian Murphy has mentioned that his wife, Yvonne McGuinness, is also vegetarian, and they have shared a plant-based lifestyle together.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.