The Tim Ferriss Show13 Aug 2025

#822: The Random Show — Ketones for Cognition, Tim’s Best Lab Results in 10+ Years, How Kevin Hit 100 Days Sober, Home Defense, Vibe Coding Unleashed, and More

Welcome to another wide-ranging "Random Show" episode that I recorded with my close friend Kevin Rose (digg.com)! We cover Kevin's sobriety journey and marking 100 days without alcohol, my results with the ketogenic diet and intermittent fasting, GLP-1 agonists, home security, the future of Venture Capital, AI, authenticating yourself online in a world of deepfakes and anonymity, the cultural shift toward human-to-human connection, Roblox, and more. Enjoy!

This episode is brought to you by:

Momentous high-quality creatine for cognitive and muscular support: https://livemomentous.com/Tim (Code TIM for up to 35% off.)

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Timestamps:

[00:00:00] Start.

[00:06:54] Kevin celebrates 100 days sober! Why and how?

[00:15:16] Nanoblocks: Kevin's new Japanese micro-building hobby.

[00:18:16] The Slow TV movement and Craig Mod's ambient recordings.

[00:20:58] Craving analog experiences and wilderness trekking.

[00:22:24] Writing with background movies.

[00:23:42] High hopes for The Naked Gun reboot.

[00:24:35] Kevin's improved communication since quitting alcohol.

[00:26:28] My health interventions for cognitive protection.

[00:29:00] How ketogenic diet and 16/8 intermittent fasting led to my best lab results in 10+ years.

[00:33:35] Weight control regimens we don't recommend.

[00:39:51] Exogenous ketones: Qitone vs. premium options.

[00:50:32] How glucose tolerance tests work.

[00:51:58] Microdosing GLP-1 (tirzepatide) for glucose control.

[00:54:12] DORA sleep medications and neuroprotective effects.

[00:56:55] Belsomra trial and cost considerations.

[00:57:52] Sauna temperature optimization based on Rhonda Patrick's research.

[01:00:28] There are no biological free lunches.

[01:03:27] The time Kevin found a homeless person in his closet.

[01:06:11] Modern home security and privacy measures.

[01:19:42] Pondering how we survived childhood.

[01:24:23] AI-driven venture capital landscape changes.

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