Function transforms fitness into a science. By comprehensively testing and tracking over 100 biomarkers in your body, you drive performance forward based on the science of your ever-changing body. Armed with targeted insights on inflammation, thyroid function, metabolism, heart health, toxicity levels and more, these tests can profoundly transform your approach. It’s time to transcend traditional training and step into a new realm of health: inner fitness.

By top doctors and 1000s of hours of research
Not your average checkup
Personalized Protocol
Upload past results
No insurance needed
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
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.



