Evidence-Based Longevity

Your Wearable Knows More
Than It's Telling You.

We analyze your health gaps, build a personalized protocol, and use your wearable data to prove what's actually working. Not generic advice — measurable results from YOUR data.

Free — takes 10 minutes — no credit card required

The Problem With Generic Health Advice

You've read the articles. You've asked ChatGPT. You know you should "sleep better" and "exercise more." But here's what nobody tells you:

Generic advice ignores what you already do
Why hear about Zone 2 cardio when you're already running 20 miles/week?
No way to know if it's working
You changed 5 things. Which one actually improved your sleep?
Information without implementation
Knowing what to do and actually doing it are completely different

The Closed-Loop Difference

We don't just give advice. We create a feedback system that proves what's working.

STEP 1

Find Your Gaps

Assessment identifies what YOU specifically need to change

STEP 2

Get Your Protocol

Week-by-week implementation plan, not a reading list

STEP 3

Track Habits

Daily check-ins turn intentions into consistent behaviors

STEP 4

See Results

Health metrics prove your changes are working

The loop continues: Reassess quarterly to see progress, close new gaps, and keep optimizing.

Real Data, Real Proof

Connect Your Health Data

Link your wearables or log metrics manually. Watch your HRV improve after following the sleep protocol. See your resting heart rate drop as Zone 2 cardio takes effect. This is the proof that separates us from generic advice.

FitbitAvailable
Oura RingComing Soon
Apple HealthiOS App
Manual EntryAvailable
Get Your Protocol
Your Protocol
Current Focus
All Behaviors
Sleep Regularity

Wake up within 30 min window daily

Completed
Auto-tracked
Zone 2 Training

150 mins per week at 65-75% max HR

Resting HR: 58 bpm↓ 4 bpm
Protein Timing

The Four Pillars of Longevity

40 evidence-based behaviors across the domains that matter most

Sleep

10 behaviors assessed

Sleep consistency, environment, timing

Exercise

10 behaviors assessed

Zone 2, strength, mobility, recovery

Nutrition

10 behaviors assessed

Protein timing, fiber, eating window

Cognitive

10 behaviors assessed

Stress, social connection, purpose

What You'd Pay Elsewhere

Extend.Health replaces fragmented tools and expensive coaching with one integrated system.

Health Coach
$200-500/mo
Manual check-ins, no wearable integration, relies on your memory
Premium Blood Testing
$500-2,000/yr
Snapshot data, no daily tracking, no behavior protocols
Wearable Apps Alone
Free-$300/yr
Shows you data but never tells you what to change or if changes worked
Extend.Health Pro
$12.42/month
Personalized protocols + wearable verification + habit tracking + proof it's working. For less than the cost of one training session.

Find Out What You're Missing

Get a personalized longevity protocol based on your actual gaps — with interventions you can start today.

Get Your Personalized Protocol

Free — takes 10 minutes — no credit card required