trusted by 50,000 patients OVER 15 YEARS
trusted by 50,000 patients OVER 15 YEARS
trusted by 50,000 patients OVER 15 YEARS
trusted by 50,000 patients OVER 15 YEARS
trusted by 50,000 patients OVER 15 YEARS
trusted by 50,000 patients OVER 15 YEARS
Science-Backed Solutions
SEMAGLUTIDE
Mimics one metabolic hormone
- Up to 15% body weight reduction on avg.
- Curbs cravings and appetite
TIRZEPATIDE
Mimics two metabolic hormones
- Up to 20% body weight reduction on avg.
- Curbs cravings and helps you stay fuller longer
Retatrutide
Mimics three metabolic hormones
- Up to 22% body weight reduction on avg.
- Curbs appetite and enhances fat utilization
Weight Loss You Can Sustain
Our weight loss program is built for your long-term success. Guided by doctors and tailored to your unique health needs, weβre here to help you reach your goal weight and unlock your highest level of health and performance.
The Extension Health Experience
Achieving your goal weight is just the first step in optimizing your health. Our NYC clinic gives you access to the advanced diagnostics and personalized protocols you need to build a longer, healthier lifeβall in one convenient location.
meet our experts
Health optimization is a lifelong journey. Our team of experts is here to support you every step of the way.
Dr. Jonathann Kuo
Founder, CEO, and Chief Medical Officer
Regenerative Medicine and Pain Management Specialist
Dr. Marcel Green
Leading Psychiatrist, Interventional Mental Health
Dr. James Salway
Director of Regenerative Medicine
Dr. Anant Vinjamoori
Internal Medicine, Longevity Advisor
Dr. Rikin Patel
Longevity Advisor
Lauren Roop, PA
Physician Assistant
Dr. Kirten Parekh
Longevity Advisor
Dr. Jonathann Kuo
Founder, CEO, and Chief Medical Officer
Regenerative Medicine and Pain Management Specialist
Dr. Marcel Green
Leading Psychiatrist, Interventional Mental Health
Dr. James Salway
Director of Regenerative Medicine
Dr. Anant Vinjamoori
Internal Medicine, Longevity Advisor
Dr. Rikin Patel
Longevity Advisor
Lauren Roop, PA
Physician Assistant
Dr. Kirten Parekh
Longevity Advisor
1 | Assess
Get a clear picture of your health (baseline).
Our advanced diagnostic range measures key longevity biomarkers.
2 | CONSULT
Schedule a consult and build a personalized treatment plan.
Review your test results with a clinician and plan your next treatment steps.
3 | TREAT
Choose from a la carte treatments and packages.
Receive advanced therapies that target aging at the cellular level.
4 | OPTIMIZE
Stay on track with regular testing and consultations.
Refine your treatment plan through continuous testing.
The Extension Health approach
ββPowered by your biometric data, our dynamic protocols target aging at the cellular level to prevent disease and optimize mental and physical performance.