The Longevity Vault

The Longevity Vault

About the Substack

The Longevity Vault by Kat Fu — the platform that guides you to build your personalized roadmap, based on your risk factors & data, so you can age slower, think better & extend your prime. Its flagship, Sleep OS, helps you reduce 3 a.m wakeups.

Free Subscription Benefits

• Educational & critical analysis of overlooked topics: longevity deep-dives from layered research—manual PubMed review & Kat’s expert, unbiased take

Paid Subcription Benefits

• Frameworks & step-by-step strategies to help personalize your longevity roadmap around your risks/data—so you avoid wasting time on universal tips that don’t fit. 1–2x/mo
• Access to me via comments: your sleep & longevity questions influence future posts, so you can feel more confident in strategies that will serve you for decades.
• Member pricing on advanced sleep & longevity labs — so you can explore deeper testing without consumer-direct markups or the hassle of booking separate appointments.

Paid Subscription Plans

• $35 a month
• $247 a year

About Kat Fu, M.S., M.S.

20 yrs in health optimization, 15 in sleep | I solve sleep issues beyond hygiene & supplements | Get early access to my science-backed sleep intelligence app for men 40+ who care about brain health & longevity. iOS/Android. Waitlist 👇