TruAge Test

Truage Test

Track how fast you're really aging and learn how to slow it down. TruAge analyzes DNA methylation patterns to reveal your biological age and the health of your key organs, then translates that data into a personalized plan to help you live better, longer.

Truage Test

Meet Dr. Kuo

Dr. Jonathann Kuo is a double board-certified physician and a leader in regenerative and longevity medicine. As Founder of Extension Health, he combines advanced diagnostics, peptide therapy, and precision biologics to help patients optimize performance, reverse aging, and extend healthspan. With 15+ years of experience and over 2,000 regenerative procedures performed, Dr. Kuo brings deep expertise in interventional orthopedics and integrative care.

FREQUENTLY ASKED QUESTIONS

LOCATION

EXTENSION Health is located at 160 7th Ave S, New York, NY, 10014

What to Expect

Here’s what to expect when completing your TruAge test—from preparation to next steps.

1. Before Your Test: You’ll receive an at-home kit with step-by-step instructions for collecting a small finger-prick blood sample. For best results, avoid alcohol and high-fat meals for 8 hours beforehand and stay well hydrated.

2. Collect & Return Your Sample: Use the included materials to collect your sample and return it using the prepaid mailer. The process is quick, simple, and designed for convenience.

3. Review & Apply Your Results: Your results will be uploaded to a secure digital dashboard within a few weeks. You’ll receive a detailed report showing your biological age, pace of aging, and organ-specific insights—along with personalized recommendations to help you take action.

What Can This Support?

• Biological Age & Pace of Aging: Understand how quickly your body is aging at the cellular level—and how it compares to your chronological age.

• Organ System Health: Track how key systems like your heart, brain, liver, and lungs are aging to guide targeted interventions.

• Longevity & Prevention Planning: Use aging insights to inform long-term health strategies, lifestyle changes, and supplement protocols.

• Epigenetic Optimization: Identify how lifestyle, nutrition, and environment are impacting gene expression—and where changes can slow aging.

• Baseline for Advanced Therapies: Establish a data-driven starting point to track progress from peptides, hormone optimization, or regenerative treatments.

What is the TruAge Test?

TruAge is an advanced epigenetic test that measures how your body is aging at the cellular level. By analyzing DNA methylation markers, it reveals your biological age, pace of aging, and how key organ systems such as your heart, brain, and liver are performing. The result is a personalized, data-driven report with insights to help you slow aging, optimize health, and improve long-term outcomes.

Is there a fee associated with cancelling or rescheduling my appointment?

Will there be additional treatments to the one I purchased online?

How do I book my appointment?

Can I choose my provider?

Can I choose a different Extension Health location?

Will my consultation and my first treatment take place on the same day?