Recommended by
Mari Llewellyn
Every year. Starting with 100+ lab tests and insights from top doctors. All for just $499.
Function has a waitlist of nearly 500,000 people, but Mari has secured limited early access for her Pursuit of Wellness community.
"This is such a needed technology. As women, it can be challenging to figure out what’s wrong with our health and get the answers we deserve, but whole-body lab testing offers real data on what's truly out of balance. Lab testing helped me finally identify imbalances and optimize my hormones." -Mari Llewellyn
100+ lab tests for
your whole body
100+ lab tests for
your whole body
The first-ever membership that includes the cost of 100+ lab tests, comprehensive across heart, thyroid, hormones, metabolic, toxins, nutrients, autoimmunity, and more. Robust results turn into actionable insights from top doctors. Just $499 per year.
Full list of 100+ tests.
100+ lab tests
Whole body testing
Tracked over time
Testing is easy
Testing is easy
Included in Function
Included in Function
Get agency over your health, disease monitoring and a path to a longer life. Function is the one place for advanced lab testing, results tracking, insights, and explanations in the palm of your hand, allowing you to concentrate on living.
No hidden fees
No insurance involved
The advanced testing gives you insight into your whole body—from heart and hormones to thyroid, cancer signals, nutrients, toxins, autoimmunity, immunity, and beyond. It’s 5x more comprehensive than a typical physical. Full list of 100+ tests
Results over time
Results over time
All results tracked in one secure place.
Know your health today. Monitor changes over time.
Results over time
Results over time
All results tracked in one secure place.
Know your health today. Monitor changes over time.
100+ lab tests for your whole body
Tracked over your lifetime
Monitor for early indicators of 1000's of diseases.
100+ lab tests for your whole body
Tracked over your lifetime
Monitor for early indicators of 1000's of diseases.
Common questions
Common questions
Function includes every lab test typically part of most physicals, and goes even further with access to 100+ tests across major areas like heart, thyroid, hormones, cancer markers, nutrients, immunity, autoimmunity, and more. These tests are championed by specialists, from cardiologists to endocrinologists, offering 5x more testing than an average physical.
Function also provides a detailed written summary from a clinician reviewing all your latest results. If any result is urgent, a clinician will call you immediately. Each result includes personalized insights from the world's top doctors.
Function is available across the continental US. Function requires members to have an active US address and phone number.
Lab visits are available at any Quest Diagnostics 2,000+ locations across 48 states. At this time, lab visits are not possible in Rhode Island, Hawaii and Puerto Rico.
You will be tested at one of over 2,000 Quest Diagnostics locations across the US, within 10 miles of nearly every home in the United States. Quest performs billions of tests each year and is widely trusted by the medical community. Lab visits are not currently available in Rhode Island, Hawaii or Puerto Rico.
Comprehensive testing has historically presented major hurdles to patients, including the need to decipher hard-to-read PDF's, google searching what results mean, adding numbers to spreadsheets to catch trends, and getting tests without knowing the cost until the bill arrives. Function organizes all of this and delivers so much more—including transparent pricing and insights from world-renowned doctors based on your results.
List of tests here. As promising new diagnostics are developed, they will be made available to Function members if our medical team believes they are both valid and important for revealing the deepest understanding of one’s health.
Today is the day.