It’s time you own your health. Function includes 160+ lab tests and personalized protocols for instant action. Tracked over time in one secure place.
https://www.functionhealth.com/Reader - page text saved at the timeTesting is easy
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160+lab tests
Schedule at 2k+ Quest Diagnostics locations
02
Results explained
By top doctors and 1000s of hours of research
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Follow your plan
Take action. Test again.
Start testing
See how it works
Monitor early indicators of 1000s of diseases
Establish your long-term baseline
Tracked for life
Monitor how your body changes
Coronary artery disease
Rheumatoid arthritis
Sickle cell disease
Prostate cancer
Lead toxicity
Alzheimer’s disease
Anemia
Lupus
PCOS
Gout
Mold toxicity
Fatty liver disease
Addison’s disease
Graves’ disease
Hemochromatosis
Hypogonadism
Sjögren’s syndrome
Hypothyroidism
Hashimoto’s thyroiditis
Ovarian cancer
Celiac disease
Insulin resistance
Diabetes
Chronic kidney disease
Pancreatic cancer
Graves’ disease
Alzheimer’s disease
Lupus
Ovarian cancer
Hypogonadism
Prostate cancer
Anemia
PCOS
Lead toxicity
Insulin resistance
Pancreatic cancer
Sjögren’s syndrome
Gout
Rheumatoid arthritis
Diabetes
Coronary artery disease
Hashimoto’s thyroiditis
Hemochromatosis
Mold toxicity
Sickle cell disease
Celiac disease
Hypothyroidism
Chronic kidney disease
Addison’s disease
Fatty liver disease
Anemia
PCOS
Insulin resistance
Mold toxicity
Graves’ disease
Pancreatic cancer
Hypothyroidism
Gout
Coronary artery disease
Sickle cell disease
Hypogonadism
Rheumatoid arthritis
Diabetes
Hemochromatosis
Prostate cancer
Lead toxicity
Hashimoto’s thyroiditis
Addison’s disease
Lupus
Fatty liver disease
Chronic kidney disease
Ovarian cancer
Sjögren’s syndrome
Celiac disease
Alzheimer’s disease
Hypothyroidism
Lead toxicity
Celiac disease
Mold toxicity
Hypogonadism
Rheumatoid arthritis
Coronary artery disease
Prostate cancer
Pancreatic cancer
Insulin resistance
Fatty liver disease
Diabetes
Sickle cell disease
Hemochromatosis
Lupus
Anemia
PCOS
Gout
Chronic kidney disease
Ovarian cancer
Addison’s disease
Alzheimer’s disease
Sjögren’s syndrome
Hashimoto’s thyroiditis
Graves’ disease
Lupus
Chronic kidney disease
Celiac disease
Coronary artery disease
Fatty liver disease
Lead toxicity
Insulin resistance
Hypothyroidism
Sickle cell disease
Gout
Sjögren’s syndrome
Graves’ disease
Hypogonadism
PCOS
Prostate cancer
Hemochromatosis
Pancreatic cancer
Addison’s disease
Ovarian cancer
Diabetes
Rheumatoid arthritis
Hashimoto’s thyroiditis
Mold toxicity
Alzheimer’s disease
Anemia
Addison’s disease
Sickle cell disease
Lupus
Insulin resistance
Pancreatic cancer
Rheumatoid arthritis
Sjögren’s syndrome
PCOS
Mold toxicity
Hashimoto’s thyroiditis
Chronic kidney disease
Gout
Prostate cancer
Anemia
Lead toxicity
Hypothyroidism
Alzheimer’s disease
Hemochromatosis
Ovarian cancer
Hypogonadism
Celiac disease
Graves’ disease
Fatty liver disease
Diabetes
Coronary artery disease
PAUSE MOTION
160+ lab tests chosen by top doctors
“The most powerful approach I’ve seen in my career. Uncompromising depth with no shortcuts.”
Mark Hyman, M.D.
Former Cleveland Clinic physician
Hormones
& thyroid
16 Biomarkers
Thyroxine (T4) Free
Thyroglobulin Antibodies (TgAb)
Testosterone, Total
Anti-Mullerian Hormone
Estradiol
Cancer & other
silent risks
34 Biomarkers
Galleri® Multi-Cancer Test
Prostate Specific Antigen (PSA), Total
Rheumatoid Factor (RF)
Mercury
Lead
Heart
& metabolic
18 Biomarkers
LDL Small
Lipoprotein (a)
Apolipoprotein B (ApoB)
Omega-3 Total
Insulin
Omega-6 Total
Aging
26 Biomarkers
Sex Hormone Binding Globulin (SHBG)
DHEA-Sulfate
Insulin-like Growth Factor (IGF-1)
Homocysteine
Vitamin D
Platelet Count
Mental health
& focus
36 Biomarkers
Cortisol
High-Sensitivity C-Reactive Protein (hs-CRP)
Iron
Ferritin
Methylmalonic Acid (MMA) (B12 Proxy)
MTHFR, DNA
+More
All-in-one
lab testing
See all tests
The new standard for health
Health for a new, discerning generation
“I’ve been so impressed by Function.”
Andrew
Huberman
"I deeply believe in Function's mission."
Jay
Shetty
"Function helps me understand my own biology."
Baya
Voce
"Helped me finally identify imbalances and optimize my hormones."
Mari
Llewellyn
Real people. Real results.
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
Gold standard
for lab testing
Labs trusted by the medical community. Established partners. Consistent, reliable results.
Explore testing options
2,000+ lab test locations across the US
2,000
Over 75+ million results delivered to Function members
75M+
Not your average 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
Standard checkup
Built with the world's top doctors
Function’s Medical & Scientific Board
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women’s Hospital. Professor at Harvard.
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
Chief of Innovation at NYU Langone. Pioneer of AI-driven MRI.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
Eddie Chang, M.D.
Professor & 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.
Mark Hyman, M.D.
Former Cleveland Clinic physician. CMO of Function Health.
What could cost you $15,000 is $365
Your health shouldn’t depend on insurance.
HSA/FSA Eligible
Function membership
$1
/day
Charged annually at $365
Join Function
160+ lab tests annually
Testing 2x/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 scans anytime
No insurance, transparent pricing
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.
Function blows my mind. The experience, price, and clinician notes are all phenomenal.