Hormones
Understand key hormones that shape your cycle, fertility, metabolism, and overall health.
160+ lab tests
Total each year
Whole body
Tested 2x per year
$1 per day
$365 per year
Women’s health is complex.
Testing doesn’t have to be.
01
160+ lab tests
Schedule 160+ lab tests spanning hormones, thyroid, metabolic health, nutrients, heart health, and more.
02
Results explained
By top doctors and 1000s of hours of research.
03
Follow your plan
Get clear next steps based on your results and track your health over time.
Understand your baseline. Track what changes.
From hormones and thyroid to metabolism, nutrients, and heart health, understand the biomarkers that shape how you feel today—and your health over time.
Thyroid
Go beyond standard thyroid testing to get a clearer picture of thyroid function.
Nutrients
See where key vitamins, minerals, and nutrients stand.
Whole-body health
Test biomarkers across metabolic, heart, liver, kidney, immune health, and more.
Data that puts your health in motion
Find out where you stand. Decide where you’re going.
160+ lab tests
Advanced testing
Advanced testing
Next steps
Clear action plans
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
Plus, bring your results wherever you go
Share with your doctor or connect directly to AI.
Stop guessing, start knowing
Your health shouldn’t feel like a mystery. Get the information to better understand your body and advocate for your health.
Know what’s normal for you
Build a personal baseline you can follow through every stage of life.
Ask better questions
Bring more context to conversations with your doctor and make the most of every visit.
Take a more active role in your health
Get clear insights and next steps so you can make informed decisions with confidence.
The new standard for women’s health
Trusted by leading female doctors, experts, and voices in health.
"I recommend Function for every woman, every year of her life."
Dr. Jen Ashton
"Function gives women the information they need to be heard, not dismissed."
Dr. Tiffany Lester
“Function's MRI gives women greater visibility into their own bodies.”
Dr. Danna Chung
"Function helps me understand my own biology."
Baya Voce
Function like Aimee
The cancer signals doctors missed
Function like Catherine
You can't diet or exercise this away
Function like Holly
Finally finding the source of fatigue
Function like Wanda
A massive brain tumor and zero symptoms
Gold standard testing, on your schedule
Labs trusted by the medical community. Test at 2000+ Quest locations nationwide, or schedule an at-home blood draw with a licensed specialist.
Over 75 million results delivered to Function members
75M+
75M+
2,000+ lab test locations across the US
2,000+
2,000+
Or we’ll come to you—have a licensed specialist come to your home or office.
Not your average checkup
Standard checkup
160+
Lab tests annually
~26
Personalized action plan
Upload past results
No insurance needed
Every 6 months
Hormones & fertility testing
Heavy metal & toxin testing
Metabolic & pancreatic testing
Heart testing beyond cholesterol
Nutrient/electrolyte testing
Autoimmunity testing
Thyroid testing
Access to MRI & CT
Access to Galleri® Multi-Cancer Test
Access to Alzheimers & brain testing
Access to mold reactivity testing
Standard checkup
Lab tests annually
160+
~26
Personalized action plan
Upload past results
No insurance needed
Every 6 months
Hormones & fertility testing
Heavy metal & toxin testing
Metabolic & pancreatic testing
Heart testing beyond cholesterol
Nutrient/electrolyte testing
Autoimmunity testing
Thyroid testing
Access to MRI & CT
Access to Galleri® Multi-Cancer Test
Access to Alzheimers & brain testing
Access to mold reactivity testing
Built with the world's top doctors
Function’s Medical & Scientific Board
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Mark Hyman, M.D.
Former Cleveland Clinic physician. Co-founder and chief medical officer of Function.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Daniel Sodickson, M.D., PhD
Former chief of innovation in radiology at NYU Langone. Pioneer of AI-driven MRI. Chief medical scientist at Function.
Eddie Chang, M.D.
Professor and chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jordan Shlain, M.D.
Primary care physician. Founder and chairman of Private Medical.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Mark Hyman, M.D.
Former Cleveland Clinic physician. Co-founder and chief medical officer of Function.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Daniel Sodickson, M.D., PhD
Former chief of innovation in radiology at NYU Langone. Pioneer of AI-driven MRI. Chief medical scientist at Function.
Eddie Chang, M.D.
Professor and chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jordan Shlain, M.D.
Primary care physician. Founder and chairman of Private Medical.
What could cost you $15,000 is $365
Your health shouldn’t depend on insurance.
- 160+ lab tests annually
- Tested 2x a year and on-demand
- Insights from top doctors and researchers
- All-in-one for your whole body
- Tracked in one secure place
- Clinicians review every result and flag issues
- Personalized protocol for instant action
- Add MRI and CT anytime
- No insurance, transparent pricing
Function blows my mind. The experience, price, and clinician notes are all phenomenal.
This is the most comprehensive lab testing I have ever had. I am thrilled to know more about my health and how to improve it.
Best money I have spent on healthcare.