The Tim Ferriss Show #826 · September 9, 2025 · 1h 25m

Q&A with Tim — Supplements I'm Taking, Austin vs. SF, Training for Mental Performance, Current Go-To AI Tools, Recovering from Surgery, Intermittent Fasting, and More

Solo Q&A covering surgery recovery protocols, current supplement stack, AI tools in his research workflow, Austin vs. SF for entrepreneurs, and intermittent fasting modifications. Ferriss had elbow surgery for an old jiu-jitsu injury and documents the recovery in detail. APOE3-4 gene discovery has him rethinking Alzheimer's prevention.

Canon

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Exercise as foundation

Training for mental performance — exercise framed as cognitive tool, not just physical.

Claude ChatGPT Gemini

Curious

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Alzheimer's risk and the APOE gene

Ferriss discovers he carries APOE3-4 — has implications for Alzheimer's risk. Uses AI to research it.

Claude ChatGPT Gemini

Highlights

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"Sequencing is the magic sauce"

The order you do things matters more than the things themselves.

Claude ChatGPT Gemini

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AI as research assistant with human verification

Use AI for preliminary research, then cross-reference with professionals.

Claude ChatGPT Gemini

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Surgery recovery protocol

Marc Pro for lymphatic drainage, BFR training, BPC 157, collagen.

Claude ChatGPT Gemini

Misc

✧Ferriss carries the APOE3-4 gene — discovered through genetic screening

✧Austin vs. SF: advocates a hybrid approach for entrepreneurs, not either/or

✧Kelly Starrett introduced him to blood flow restriction training

✧Modifies supplement and fasting protocols based on regular blood work — not static routines

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