Bulletproof Coffee
Not explicitly mentioned, but the mention of 'Bulletproof' in the context of diet for some people, but it's not described enough as a product itself, hence not included.
Common Themes
Videos Mentioning Bulletproof Coffee

Ken Block — The Story of DC Shoes, Rally Cars, and 500M+ Views | The Tim Ferriss Show (Podcast)
Tim Ferriss
A coffee blend with butter and MCT oil that Ken Block consumes to fuel his morning workouts and work.

Arianna Huffington Interview | The Tim Ferriss Show (Podcast)
Tim Ferriss
Coffee mixed with organic butter, part of Arianna Huffington's morning routine as a substitute for a traditional breakfast.

Is Body Fat Spot Reduction Really a Myth? (Episode 129)
Stronger By Science
Not explicitly mentioned, but the mention of 'Bulletproof' in the context of diet for some people, but it's not described enough as a product itself, hence not included.

Dr. Darya and Kevin Rose Talk Meditation Retreats, Diet, Natto, Seasonal Eating and More
FoundMyFitness

2024 New Year’s Resolutions, AI Upheavel, & Much More! | The Random Show (4K)
Tim Ferriss
A coffee blend containing MCT oil, which the speaker avoids due to its negative impact on his lipid profile and potential digestive issues.

A $1M Bitcoin Bet, Preventing Hangovers, AI Companions, Affordable Luxuries, Hi-Fi Audio, and More!
Tim Ferriss
A type of coffee mixed with MCT oil and butter, which Kevin Rose used to consume but stopped due to concerns about cardiac markers like cholesterol and triglycerides.