Guides
Free
Guides
Our research and community are currently internal — these guides are how we share what we know right now. Evidence-first, plain English, and free. Every guide lives on this site, with no email wall and nothing to buy.
01
Free, always
Every guide costs nothing and requires no sign-up. Read them here, share them freely, no upsell attached.
02
Evidence first
Every claim is traced back to the science it actually has — with the hype and the uncertainty called out honestly.
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Education, not advice
Guides explain the science of aging in plain English. They are not medical advice, diagnosis, or treatment.
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All guides
FREE
The Longevity Starter Kit
Your evidence-based first 90 days: the interventions with real scientific support, in order, without the hype. The fastest safe path from curiosity to a working plan.
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FREE
How to Read a Longevity Study
Spot cherry-picked statistics, weak evidence, and overhyped headlines in 20 minutes. A plain-language field guide to study design, effect sizes, and what 'statistically significant' actually means.
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FREE
Your First Blood Panel, Explained
The markers that matter, what the ranges actually mean, and how to track them over time — everything a non-invasive baseline needs, explained for non-experts.
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FREE
Designing Your Personal Biomarker Program
A structured, decision-by-decision process for choosing your panels, your testing frequency, and what to actually do with the results — grounded in our evidence review.
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FREE
The Intervention Hierarchy
Every popular longevity intervention, scored against the evidence it actually has — from lifestyle levers with decades of support to speculative compounds still under study.
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FREE
Causal Aging 101
How we model the hallmarks of aging: the framework behind our internal research, translated for non-experts. The closest thing to a public tour of our method.
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Not medical advice. Our guides describe current scientific understanding of aging and health. They cannot tell you anything about your own biology — always consult qualified healthcare professionals for health decisions.
More is coming
New guides, regularly.
Join the waitlist to hear when new guides drop — and when the community opens (by invitation), members hear first.