Boston's first longevity and

and healthspan focused primary care

$8,500

Annual Membership Fee

  • Pro-science

    Undergo blood work, dexa scan, VO2 max, physician visit, and other extensive baseline testing.

  • Pro-scriptions

    Our team of scientists, doctors, and longevity experts will deliver personalized pro-scriptions.

  • Pro-active

    Re-test every quarter. Measure progress, tweak approach, and receive new pro-scriptions as needed.

  • Pro-patient

    Call or text our expert team 24/7. Extending healthspan is an everyday pursuit and we are on your team.

Questions + Answers

Your New Care Team

Dr. Leslie Fang

A renowned clinician and teacher, Dr. Fang is Harvard-trained and a leading teacher at Harvard Medical School. He is the Chair of Clinical Excellence at Boston’s Mass General Hospital and has been repeatedly honored among the Best Doctors of America.

A clinician and a teacher, he maintains an active international practice in Internal Medicine and Nephrology and is a leading teacher at Harvard Medical School.  He has received numerous awards for excellence in teaching from Harvard Medical School and Massachusetts General Hospital.

Dr. Kerri Masutto

Kerri started out her career in traditional primary care, exploring many different delivery models, including interdisciplinary teams at companies like Visa and Western Digital, at on-site wellness centers for Silicon Valley tech companies. She then ventured into functional medicine, health optimization, and obesity medicine startups where she led high growth expansion of care.

She led the clinical operations and medical teams at companies like Parsley Health and Tony Robbins Life Force. She spent almost a decade designing innovative wellness protocols and delivery systems and training dozens of doctors to deliver this kind of care to tens of thousands of patients across the country.

Join Protocol

Click the join now button to start. This will take you to our membership agreement for signature and payment. Our team will reach out to your shortly to initiate the onboarding process.

From Our Founder

Will we be the first generation to live forever? Hear our vision straight from our Founder, Jackson Stone.

What to expect when you apply