Create Your Personal Health Digital Twin
Healthspan360 is a build-your-own, AI-powered health and longevity system—created, owned, and continuously evolved by you. Think of it as a personal health operating system—built once, refined continuously.

Representative changes reported by clients using their Digital Twin.

See Your Entire Health Story in One Place — Through Your Digital Twin
Your labs, biomarkers, wearables, sleep, workouts, and lifestyle data finally come together in one place. Your Healthspan360 Digital Twin reveals the patterns and root causes behind your energy, recovery, and long-term health — so you know exactly what matters most and what to focus on next.

Your Own AI Health Advisor — Powered by Your Digital Twin
Generic advice doesn’t work. Healthspan360 builds a private AI inside your ChatGPT account — trained on your Digital Twin, your data, your biology, and your history — giving you highly personalized guidance 24/7.

WHAT IS IT?
An AI-powered health and longevity system—created, owned, and continuously evolved by you
Think of it as a personal health operating system—built once, refined continuously.
Healthspan360 is:
- A personalized health system you build and control
- Powered by your own AI Digital Twin
- Designed to integrate labs, fitness, lifestyle, and goals into a single, coherent view
- Continuously updated as your health, data, and priorities change
Healthspan360 is not:
- A mobile app
- A wearable dashboard
- A one-size-fits-all AI health coach
- A subscription that disappears when you stop paying

THE PROBLEM
You Have More Health Data Than Ever — But No Easy Way to Make It Useful
Labs. Wearables. Genetics. DEXA. Glucose. Workouts. Supplements.
All valuable… but scattered, siloed, and overwhelming.
Generic apps can’t interpret it.
Generic AI doesn’t know you well enough to be accurate or safe.
You need a Digital Twin — built around your biology — that pulls everything together.

THE SOLUTION
A Personalized Health Digital Twin
Healthspan360™ is a consultation-based service — not an app.
Using our toolkit, we help you build a private, AI-powered Digital Twin of your health — a living system that unifies your data, applies expert logic, and helps you make better decisions over time.
Your Digital Twin Components
- Personal AI (Yours, Not Ours)
A private AI created inside your own ChatGPT Plus account, trained only on your data and guided by your priorities. No shared models. No black boxes. - Health Master File
A structured, AI-optimized source of truth for your labs, fitness, nutrition, supplements, and lifestyle — to keep everything connected and current. - Digital Twin Instructions
Expert operating rules that guide how your AI reasons about your personal health data — so insights stay accurate, safe, and actionable. - Prompt Library
Proven prompts for biomarker interpretation, trend analysis, scenario modeling, supplements, training, nutrition, and longevity planning. - Custom Knowledge Base
Optional trusted sources that inform your Digital Twin — aligned with your philosophy, risk tolerance, and health goals.
WHY THIS MATTERS
Your data becomes clear. Your Digital Twin becomes smarter. Your decisions become easier.
Most people have pieces of their health story scattered everywhere — labs in one portal, wearables in another, notes in apps, supplements on the counter, advice from podcasts, and half-remembered doctor recommendations.
Your personalized AI-powered Digital Twin brings it all together. With it, you get:
Clarity Instead of Guesswork
Your Digital Twin interprets your data through your biology — giving you clear, personalized guidance.
A Smarter Way to Understand Your Labs
Your Digital Twin helps you understand what your data means, what matters, and what to focus on next.
Insights That Compound Over Time
The more you update your Digital Twin, the smarter the system becomes — helping you anticipate trends and make decisions early.
Private, Powerful, and Under Your Control
Your Digital Twin and AI live inside your ChatGPT Plus account. No shared databases. No subscriptions. No lock-in.
Better Energy, Recovery, & Performance
Your Digital Twin connects the dots among your data — revealing what actually moves your metabolism, energy, and vitality.
A Personalized Path Toward Long-Term Health & Longevity
Not a generic program. A customized, evolving system that supports your goals and grows smarter over time.

INCREDIBLE INSIGHTS
Imagine Having an AI Health Advisor That Actually Knows You
(Because it’s your Digital Twin — built with your ChatGPT account, trained on your data, and kept private.)
Biomarkers & Labs
“What story do my latest biomarkers tell about inflammation, energy, or long-term health?”
“Compare my April and October labs — what improved and what needs attention?”
Fitness & Performance
“Analyze my cardio logs — am I getting enough Zone 2?”
“Create a weekly training plan using my personalized heart rate zones.”
Nutrition & Supplements
“Which meal aligns better with my goals?”
“Audit my supplement stack for overlap or timing issues.”
Sleep & Recovery
“What patterns are emerging in my sleep over the last 60 days?”
“How does my sleep change after strength or HIIT days?”
Genetics
“Which of my genetic traits matter most for longevity?”
“Explain my magnesium-related SNPs.”
Lifestyle
“Create a no-equipment workout for my next trip.”
“Evaluate this restaurant menu for the healthiest options.”
Your Digital Twin Can Also Act on Your Behalf.
With automated reminders and intelligent follow-ups that you give it, your Digital Twin helps you stay consistent with labs, habits, and updates.
Small nudges. Big long-term impact.
⟶ “Update your Digital Twin this Sunday?”
⟶ “Time to schedule your follow-up labs.”
⟶ “How are workouts going this week?”
Consistency made effortless.
What You Get
Everything You Need to Implement and Use Your Digital Twin
Playbook: Your step-by-step guide for setting up, personalizing, and operating your Digital Twin.Live 1:1 Setup & Validation Session: Zoom session to walk you through validation, fine-tuning, and optimization of your Digital Twin.
Health Master File: Structured framework for organizing your health data, optimized for AI analysis. AI Instructions: The operating rules that guide how your AI reasons about your health data.
Knowledge Base: Optional supporting materials that provide background context but are not required for accurate analysis.
Prompt Library: Advanced prompts to unlock powerful, personalized insights from your Digital Twin. Follow-On E-mail Support – One week of post-session e-mail support for clarifying questions and light guidance as you begin using the system.
Continuous Expansion
Your Digital Twin evolves as you add new labs, wearables, diagnostics, and goals — allowing deeper insights and more personalized analysis over time.



THE PROCESS
A Simple, Guided System That Works in Real Life
Healthspan360™ is consultation-based service, not an app.
We help you setup and configure your Digital Twin inside your own ChatGPT Plus account—private, secure, and under your control.
Step 1: Build Your Health Master File
We help you create a clear, integrated snapshot of your health and lifestyle data, optimized for AI analysis.
Step 2: Create Your Personal AI
Setup a private AI inside your ChatGPT account — trained on your Health Master and guided by experts you trust.
Step 3: Use Daily & Keep Learning
As you update your Digital Twin, it becomes more accurate, more personalized, and more helpful over time.

WHO'S IT FOR
Is our health optimization consultation right for you?
HealthSpan360™ Is Perfect If You Want:
More energy, better sleep, or improved metabolic health
Clarity instead of conflicting advice
A personalized, data-driven approach to longevity
A way to make use of your labs, wearables, and health data
A Digital Twin you can keep forever.
REQUIREMENTS
What you’ll need (beyond our service)
Required:
- ChatGPT Plus subscription
(~$20/month)
Optional:
- Resources from experts you trust
- Whole genome sequencing
- DEXA, VO₂ Max, or RMR testing
- Wearable data from Apple Watch, Oura, etc.
FAQs
Is Healthspan360 an app or software platform?
No. It’s a service.
We don’t store your data, run your AI, or sell a platform.
We help you build a private, personalized health Digital Twin inside your own ChatGPT account.
Do you see my data?
Only what you choose to share during setup.
Your Digital Twin within ChatGPT remains private and under your control.
Is this medical advice?
No. HealthSpan360™ does not diagnose, treat, or prescribe.
Do I need lots of data to start?
No. You can start with whatever information you have currently available (e.g., diet, fitness, supplements, recent lab results, etc.) and add more data and information over time.
Is there an ongoing cost?
No recurring fees are required for Healthspan360TM. You pay a single upfront fee for our service to help you setup and configure your Health Digital Twin.
The only ongoing expenses are your own ChatGPT Plus plan (if you choose to maintain one) and any optional health or biomarker testing you may want over time.
GET STARTED
Ready to Build Your Personal Longevity System?
Use the link below to get a personalized, no-pressure conversation to explore whether Healthspan360TM is right for you


Testimonials
What Clients Are Saying
Real people. Real data. Clearer decisions.
“What surprised me most was how personalized this is. Insights from my Digital Twin are grounded in my actual data and priorities.”
“I’ve read lots of books, but this was the first time everything was integrated into one clear system. It gives me confidence in my decisions.”
“Healthspan360 didn’t just give me insights. It gave me a framework I can keep using as new data comes in. That long-term value is clear.”

Who Is Behind HealthSpan360?
"I created Healthspan360 for people who want clarity, not confusion."
Created by Jesse Jacoby, an entrepreneur and strategy consultant with decades of experience helping people navigate complex information. After using AI and biomarker data to dramatically improve his own health, Jesse turned his personal system into a structured service now available to others.
Ready to build your personalized longevity system?
Book your free consultation and start transforming your health in days, not months.
