The Ethical Turning Point: The Elk Hunting Incident
Perhaps the most compelling and personal reason Bryan Johnson became vegan was a dramatic ethical shift during a hunting trip. For most of his life, Johnson ate meat, but a pivotal moment in September 2024 changed everything. He recounted that after shooting an elk, he approached the animal and saw it still breathing. The sight of the magnificent creature's life ending due to his actions caused him to 'break,' experiencing a profound emotional and ethical realization. This moment of deep compassion led him to make the conscious decision to eliminate all meat and animal products from his diet moving forward. He expressed a desire to incorporate more compassion into his life as a scaling law of intelligence.
Health Optimization for Longevity
While the ethical reason was the catalyst, Johnson's vegan diet is deeply rooted in his Project Blueprint, a data-driven quest for optimal health and longevity. The core of Project Blueprint's nutritional approach is a nutrient-dense, plant-based diet. Johnson and his team of 30 medical experts use scientific research and constant biomarker testing to inform his every dietary choice.
A whole-food, plant-based diet is recognized for its potential benefits in reducing disease risk and promoting longevity. For Johnson, this means consuming around 2,250 calories per day from vegetables, legumes, nuts, seeds, and berries, which is in line with a calorie-restricted approach that is widely studied for its anti-aging potential. The abundance of fiber, antioxidants, and phytonutrients in these foods helps combat cellular aging and inflammation, which are central to his health goals.
The Philosophical Angle: AI and Compassion
Beyond personal ethics and health, Johnson's decision to embrace veganism connects to his broader philosophical views on technology and artificial intelligence. In his "Don't Die" philosophy, he posits that as humanity approaches the creation of superintelligence, it is prudent to consider how humans treat less powerful forms of intelligence, like animals. He argues that a superintelligent AI may observe human behavior and potentially model its own behavior towards humans based on how humans treat other life forms. By demonstrating compassion towards animals, Johnson suggests humanity can teach a new kind of intelligence the value of all life. This framing places his diet in a larger, existential context, connecting his personal choices to the future of the species.
What Bryan Johnson Eats on His Vegan Diet
Johnson's daily meals are meticulously planned and nutritionally packed. His diet consists of three meals, typically consumed within a six-hour window. Examples of his staple foods include:
- Breakfast (Super Veggie): A blend of steamed broccoli, cauliflower, black lentils, shiitake mushrooms, garlic, and ginger, topped with hemp seeds and extra virgin olive oil.
- Lunch (Nutty Pudding): A mixture of macadamia nuts, walnuts, flax seed, pomegranate juice, berries, and pea and hemp protein.
- Dinner: A varied meal that often includes more vegetables, nuts, and seeds, like a stuffed sweet potato with chickpeas or a buddha bowl.
The Blueprint Protocol vs. Bryan Johnson's Personal Veganism
It is important to distinguish between Johnson's personal diet and the wider Project Blueprint. While Johnson follows a strict plant-based diet, he clarifies that his personal choice is not a mandatory rule for others following the Blueprint principles. He is vegan by choice, not necessity. His head physician and even his son, who also participate in Blueprint, sometimes incorporate meat into their diets. However, the Blueprint protocol itself emphasizes nutrient-dense, whole foods, and a plant-forward approach.
Supplementation for a Vegan Lifestyle
Despite his primarily plant-based diet, Johnson recognizes that no single diet can fulfill all of the body's needs for optimal health. He consumes a vast array of supplements, including some that are not entirely vegan. A key example is collagen peptides, which are typically derived from animal sources. He addresses this inconsistency by emphasizing that supplementation is necessary to push the boundaries of aging, and that some essential elements simply cannot be acquired through diet alone. His supplement stack is designed to address specific, data-driven deficiencies and support longevity pathways, demonstrating that his approach is not a dogmatic adherence to veganism but a pragmatic, science-driven path to rejuvenation.
Bryan Johnson's Vegan Diet: A Comparison
| Feature | Bryan Johnson's Vegan Diet | Typical Western Diet |
|---|---|---|
| Primary Food Source | Whole, unprocessed plant-based foods | Highly processed foods, meat, and dairy |
| Calorie Intake | ~2,250 calories/day, with caloric restriction | Higher average caloric intake, often exceeding recommendations |
| Protein Sources | Plant-based protein powders, legumes, nuts, seeds | Primarily animal meat, dairy, eggs, and processed meats |
| Nutrient Density | Extremely high due to focus on superfoods | Often low, contributing to nutrient deficiencies |
| Ethical Considerations | Central to his dietary choice | Generally not a primary factor in food choices |
| Sugar/Processed Foods | Avoided completely | Often high in added sugars, refined grains, and unhealthy fats |
Conclusion
Bryan Johnson's veganism is far more complex than a simple dietary trend. It stems from a powerful personal experience that reshaped his ethical perspective, his unwavering commitment to biohacking and achieving optimal longevity, and a philosophical consideration for the future of humanity in the age of AI. While the catalyst was an act of compassion for an animal, the sustaining force is a data-driven pursuit of health. His nuanced approach, which includes non-vegan supplements to bridge nutritional gaps, highlights that his ultimate loyalty is not to a label, but to the data that serves his ultimate goal: to not die.
For more details on his scientific protocols, you can explore the Project Blueprint resources provided on his website.