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#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

August 13, 2025
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The Tim Ferriss Show

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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.) David Protein Bars with 28g of protein, 150 calories, and 0g of sugar: https://davidprotein.com/Tim (Buy 4 cartons, get the 5th free.) AG1 all-in-one nutritional supplement: https://DrinkAG1.com/Tim (1-year supply of Vitamin D plus 5 free AG1 travel packs with your first subscription purchase.) 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. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.