Jordan Peterson's Diet: The Lion Diet — Beef, Salt and Water
In short
- Peterson follows the 'lion diet' — a strict carnivore elimination diet of only beef, salt and water — after his daughter Mikhaila's transformation on it.
- On Joe Rogan he reported: 50 pounds lost, appetite down ~70%, no blood-sugar swings, less sleep needed, gum disease gone.
- He also reported his anxiety and depression lifted — the claim that made the diet famous.
- The protocol: at least 2 months of strict beef-salt-water, then a 'modified carnivore' of meat and greens.
- It's keto's absolute extreme — zero carbs by definition — but an elimination protocol with real nutritional caveats, not a template for everyone.
Beef, salt, water — and nothing else
The lion diet is the strictest eating pattern any public figure follows: only beef, salt and water. No plants, no dairy, no variety. Peterson adopted it after his daughter Mikhaila reported dramatic improvements in her autoimmune and depressive symptoms on it, starting with a two-month strict elimination phase and later relaxing into meat plus greens.
What he says it did
His account to Joe Rogan is the most-quoted diet testimony of the decade: "I lost 50 pounds. My appetite has probably fallen by 70%. I don't get blood sugar dysregulation problems. I need way less sleep… my gum disease is gone. Like, what the hell?" He also reported his anxiety and depression lifted — the claim that turned a fringe elimination protocol into a household topic.
The caveats, honestly
The lion diet is an elimination protocol, not a validated template. It contains no fiber, and mainstream nutrition warns of vitamin deficiencies and long-term risks; the reported benefits are personal testimony, not clinical trial data. The honest reading: something in the elimination clearly worked for the Petersons — which foods were the culprit is the untested question.
Is the lion diet keto?
It's keto at its absolute extreme. With zero carbohydrates, ketosis isn't optional — it's guaranteed. Every lion-diet day is a keto day, by definition. Standard keto sits several steps back toward normal: same fat-and-protein engine, same near-zero sugar, but with low-carb vegetables, dairy, eggs, fish and variety — which is what makes it sustainable and nutritionally safer for a normal person.
Eat this way, keto-style
Not strictly keto — but the whole-food, high-protein core is exactly what keto is built on. Here's how to apply it:
Foods on this diet
Frequently asked questions
What does Jordan Peterson eat?
The 'lion diet': only beef, salt and water — a strict carnivore elimination protocol he adopted after his daughter Mikhaila's results, later relaxed to meat plus greens.
What results did Jordan Peterson report?
On Joe Rogan he reported losing 50 pounds, appetite down ~70%, no blood-sugar problems, needing less sleep, gum disease gone, and his anxiety and depression lifting.
Is the lion diet keto?
It's keto taken to the extreme — zero carbs guarantees ketosis. Standard keto allows low-carb vegetables, eggs, fish and dairy, making it far more sustainable.
Is the lion diet safe?
It's an elimination protocol with real caveats: no fiber, deficiency risks, and benefits reported as personal testimony rather than clinical evidence. Mainstream nutrition advises caution.
Sources