Function unlocks practitioners and providers

Comprehensive lab testing is now possible with a stress-free process and transparent, affordable costs

Comprehensive lab testing made really, really easy

Finally, one place that takes care of lab test orders, lab visits, results, and explanations, allowing you to concentrate on transforming the lives of your clients and patients.
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From guesswork to precision, Function allows you to understand your client’s health better and guide them to achieve results they can actually see in the data.

How Function works:

Designed to make everything easy

5 minutes to sign up

Function helps schedule all lab visits

~15 minutes lab visits at Quest Diagnostics

Results in a dashboard with easy explainers

Test again every six months + anytime at a low cost

Submit your interest

Membership includes the cost of the tests

Membership starts with 100+ lab tests each year

60+ lab tests follow up included mid year

No hidden costs. No insurance involved

Every result includes insights from doctors

Re-test anytime at a low cost

Submit your interest

Short-haired woman with golden background with an overlay of the categories of tests Function covers, including Heart, Metabolic, and Brain Health

Function handles legal logistics

MDs cover each step of the process

Function's MD team orders every lab test

2,000+ Quest Diagnostics locations to choose from.

MDs review every result with a written report

Results can be downloaded and shared.

Personalized recommendations

Including food and supplement guidance.

Providers will call if results are urgent

Individuals will be called immediately if results are urgent (e.g. cancer signal, hypokalemia).

Results turn guesswork into precision

Results tracked over time with clear explanations for each test

Stay up to date with ever changing health

Get a full perspective and prioritize changes

Show progress with improvements in results

Submit your interest

Man with sunset and water in the background, with the biomarker ApoB overlaid on the image.

Mark Hyman, M.D.

Co-founder and chief medical officer of Function.

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

Former chief of innovation in radiology at NYU Langone. Pioneer of AI-driven MRI. Chief medical scientist at Function.

Azra Raza, M.D.

Top medical oncologist. Professor at Columbia University.

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.