Your body is changing. Know what’s behind it.

Perimenopause affects everything from sleep to mood to metabolism. A 160+ test full-body panel gives you the clarity and support your body is asking for.

Testing is easy

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100+ lab tests

Schedule at 2k+ Quest Diagnostics locations
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Results explained

By top doctors and 1000s of hours of research

03

Follow your protocol

 Take action. Test again.

Monitor early indicators of 1000s of diseases

Establish your long-term baseline

Tracked for life

Monitor how your body changes

Diabetes
Graves’ disease
Addison’s disease
Sjögren’s syndrome
Ovarian cancer
Hypogonadism
Mold toxicity
Pancreatic cancer
Insulin resistance
Lead toxicity
Coronary artery disease
Sickle cell disease
PCOS
Lupus
Hypothyroidism
Rheumatoid arthritis
Alzheimer’s disease
Prostate cancer
Hemochromatosis
Hashimoto’s thyroiditis
Fatty liver disease
Chronic kidney disease
Anemia
Celiac disease
Gout
Gout
Mold toxicity
Alzheimer’s disease
Hypogonadism
Hemochromatosis
PCOS
Lead toxicity
Fatty liver disease
Pancreatic cancer
Diabetes
Sjögren’s syndrome
Insulin resistance
Coronary artery disease
Hashimoto’s thyroiditis
Celiac disease
Rheumatoid arthritis
Anemia
Chronic kidney disease
Sickle cell disease
Hypothyroidism
Addison’s disease
Lupus
Graves’ disease
Prostate cancer
Ovarian cancer
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
Celiac disease
Fatty liver disease
Hypothyroidism
Prostate cancer
Mold toxicity
Alzheimer’s disease
Addison’s disease
Chronic kidney disease
Coronary artery disease
Sickle cell disease
Hashimoto’s thyroiditis
Lupus
Sjögren’s syndrome
Gout
Ovarian cancer
PCOS
Pancreatic cancer
Lead toxicity
Rheumatoid arthritis
Anemia
Hypogonadism
Diabetes
Insulin resistance
Hemochromatosis
Graves’ disease
Hashimoto’s thyroiditis
Hypogonadism
Lupus
Prostate cancer
Pancreatic cancer
PCOS
Ovarian cancer
Chronic kidney disease
Insulin resistance
Fatty liver disease
Rheumatoid arthritis
Hemochromatosis
Coronary artery disease
Graves’ disease
Diabetes
Sjögren’s syndrome
Mold toxicity
Hypothyroidism
Lead toxicity
Alzheimer’s disease
Gout
Sickle cell disease
Addison’s disease
Celiac disease
Anemia
Alzheimer’s disease
Coronary artery disease
Celiac disease
Prostate cancer
Hashimoto’s thyroiditis
Anemia
Mold toxicity
Graves’ disease
Sickle cell disease
Hypogonadism
Pancreatic cancer
Rheumatoid arthritis
Diabetes
Lead toxicity
Hypothyroidism
Gout
Sjögren’s syndrome
Insulin resistance
Fatty liver disease
Chronic kidney disease
Ovarian cancer
Addison’s disease
Lupus
Hemochromatosis
PCOS
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100+ 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.
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
GRAIL 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
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

Not your average checkup

Personalized Protocol

Upload past results

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Hormones & fertility testing

Heavy metal & toxin testing

Metabolic & pancreatic testing

Heart testing beyond cholesterol

Nutrient/electrolyte testing

Autoimmunity testing

Thyroid testing

Access to advanced MRI & CT

Access to GRAIL 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 $499

Your health shouldn’t depend on insurance.
HSA/FSA Eligible

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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
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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 UI, UX, price and clinician notes are all phenomenal.