Proteus has secured you early access. Function is the first-ever platform including 100+ advanced lab tests across your whole body—heart, hormones, metabolic, thyroid, nutrients, toxins, and more. Monitor early signs of thousands of diseases and target key areas for optimization. Gain actionable insights from the world’s top doctors and decades of research, along with a detailed clinician summary of your results every time you test. Function builds an evolving health strategy tailored to your biology, helping you unlock peak performance.

Testing is easy
Explained by top doctors and researchers
No insurance needed
Transparent pricing
Heart testing beyond cholesterol
Autoimmunity testing
Hormones & fertility testing
Nutrient & electrolyte testing
Access to cancer testing
Standard checkup
As someone navigating an autoimmune condition, it's been such a relief to finally have a clear, visual way to track what’s going on in my body—and actually understand it.
Early detection has given me this amazing gift of extra years, probably extra decades, with my family.
After 10 years of dealing with a health issue, 5 years of trying to get doctors to run more in-depth tests, Function finally helped me uncover the root cause.
Real people. Real results.



