Function for
John Hancock
100+ lab tests and insights from top doctors. The first personalized and proactive health testing benefit.

Function is the first-ever platform including 100+ advanced lab tests every year—spanning heart, hormones, thyroid, metabolic, nutrients, toxins, cancer signals, stress, and more. With 5x more tests than the average physical and twice-yearly testing, you can monitor early indicators of thousands of diseases and pinpoint areas for improvement. Receive personalized insights from the world’s top doctors and backed by decades of research, along with a detailed clinician summary of your results each time you test. Function provides an evolving health strategy tailored to your biology, giving you the simplest way to manage your lifelong health.
John Hancock is proud to invest in the health of its top distributors by providing a complementary Function membership.
160+ lab tests
across your body
160+ lab tests
across your body
The first-ever membership that includes the cost of 160+ advanced lab tests, comprehensive across heart, thyroid, hormones, metabolic, toxins, nutrients, autoimmunity, and more. Robust results turn into actionable insights from top doctors.
160+ lab tests
Multi-region MRIs (additional fees apply)
Tracked over time

Testing is easy
Testing is easy



Included in Function
Included in Function
Be proactive about your health, disease monitoring, and a path to a longer life. Function offers one-stop for advanced lab testing, results tracking, insights, and explanations in the palm of your hand, allowing you to concentrate on living
Results over time
Results over time
Results tracked in one secure place. Dive into your health today. Monitor changes over time.
Results over time
Results over time
Results tracked in one secure place. Dive into your health today. Monitor changes over time.
Access to 160+ lab tests
Tracked over time
Monitor for early indicators of 1000’s of diseases
Access to 160+ lab tests
Tracked over time
Monitor for early indicators of 1000’s of diseases
The Function Health membership subsidy is only available to registered John Hancock Vitality PLUS members who have completed the Vitality Health Review (VHR) for the current program year. The subsidy is only applicable to the first year membership fee. The offer of subsidized access to the Function Health membership is subject to change. Access to the Function Health membership subsidy through the John Hancock Vitality Program is not currently available in all states.
John Hancock is not an affiliate of Function Health. The lab testing services available via Function Health are administered by nationally recognized third-party lab services providers. John Hancock does not provide medical advice or guidance on further diagnostic testing or treatment following the receipt of lab results via Function Health, is not involved in the services provided by Function Health, and is not responsible for the accuracy or performance of such services.
Your new health journey rooted in understanding
Your new health journey rooted in understanding
The cost of a Function membership includes access to 160+ lab tests; that’s access to 5x more lab testing than an average physical and goes further facilitating tests in major areas like heart, thyroid, hormones, cancer markers, nutrients, immunity, autoimmunity, and more. These tests are championed by specialists, from cardiologists to endocrinologists. Each set of test results includes detailed insights from leading doctors, keyed to your specific data, as well as a detailed, clinician-approved summary of your results. If any result is urgent, a clinician will reach out to you.
Function is available throughout the continental United States, except for Rhode Island. Function requires members to have a valid US address and active US phone number. Lab visits are available at 2,000+ locations across 48 states. At this time, lab visits are not available in Hawaii or Puerto Rico.
Getting advanced testing used to be complicated—confusing PDFs, endless Googling, tracking numbers in spreadsheets, and surprise bills. Function is changing that by combining transparent pricing, easy-to-understand results, and meaningful insights developed with world-class doctors.
We have teamed-up with one of the nation’s leading laboratory providers to facilitate our members’ lab tests; our partner performs over 50 million tests per year and is trusted by the entire medical community. You can choose to receive your tests at over 2,000 lab locations across the US, there is a location within 10 miles of the majority of households in the United States. Lab visits are not currently available in Rhode Island, Hawaii, or Puerto Rico.
Function membership includes access to 160+ lab tests to measure your current health status, organ function, metabolism, and risk factors for various diseases. As science continues to evolve, Function strives to integrate the latest advancements in testing, offering cutting-edge add-ons to provide you with the most in-depth insights into your overall health. *Advanced add-on tests may be available for an additional cost beyond your full membership. See the full list of tests here.