Function for
John Hancock Vitality members

Access a one-year Function membership for
$399 (Retail Price $499).

Exclusive access for John Hancock

Function is an innovative platform including 100+ lab tests — spanning heart, hormones, thyroid, metabolic, nutrients, toxins, stress, and more. With 5x more tests than the average physical and twice-yearly testing, you can monitor early indicators of a number of diseases and pinpoint areas for improvement. Receive detailed insights from board-certified doctors along with a third-party clinician summary of your results each time you test. Function provides an evolving health strategy tailored to your biology, giving you a simple way to manage your lifelong health.

Data that puts your health in motion

Find out where you stand. Decide where you’re going.
100+ biomarkers
Comprehensive testing
next steps
Clear action plans
Biological Age
wearables
Integration with health trackers
Steps
4,787
avg
Sleep
7.5
hrs avg
Resting HR
64
bpm avg
Apple Health
iFit
Withings
Peloton
Oura
Fitbit
Garmin

Testing is easy

01

100+ lab tests

Schedule at 2k+ Quest Diagnostics locations
02

Results explained

By top doctors and 1000s of hours of research

03

Follow your protocol

 Take action. Test again.

Not your average checkup

Personalized Protocol

Upload past results

No insurance needed

Hormones & fertility testing

Heavy metal & toxin testing

Metabolic & pancreatic testing

Heart testing beyond cholesterol

Nutrient/electrolyte testing

Autoimmunity testing

Thyroid testing

Access to advanced MRI & CT

Access to GRAIL cancer test

Access to Alzheimers & brain testing

Access to mold reactivity testing

Standard checkup

Real people. Real results.

The Function members in this video are not members of any Vitality program offered by John Hancock.
Function like Aimee
The cancer signals doctors missed
Function like Alan
From diabetes diagnosis to action
Function like Geoff
Finding prostate cancer after testing
Function like Catherine
You can't diet or exercise this away

Medical & Scientific Advisory Board

The experts guiding the evolution of proactive health.
Andrew Huberman, PhD

Professor of Neurobiology at Stanford School of Medicine

Daniel Sodickson, M.D., PhD

Chief of Innovation at NYU Langone. Pioneer of AI-driven MRI.

Azra Raza, M.D.

Top medical oncologist. Professor at Columbia University.

Luis A. Diaz, M.D.

Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.