Function for
Erewhon members
Erewhon members get instant access to Function. No waitlist.
Function currently has a waitlist of over 200,000 people, but Erewhon has secured you early access. Function is the first-ever platform including 100+ advanced lab tests across your whole body, from heart and hormones to nutrients and toxins. Monitor early indicators of thousands of diseases and discover areas for improvement. Receive insights on food and supplements developed with top doctors and decades of research, along with a detailed written summary from a clinician reviewing your unique results each time you test.
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 in the continental US. Function requires members to have a valid US address and active US phone number.
Lab visits are available at 2,000+ locations across 46 states. At this time, lab visits are not possible in New York, New Jersey, Rhode Island, Hawaii and Puerto Rico.
You will be tested at one of over 2,000 locations across the US, within 10 miles of nearly every home in the United States. Our lab partner performs over 50 million tests per year and is trusted by the entire medical community. Lab visits are not currently available in New York, New Jersey, 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.
Test your whole body. Twice a year.