Courtney has secured early access to Function for her Realfoodology community. Function is the first-ever platform including 100+ advanced lab tests—across heart, hormones, metabolic, nutrients, toxins, inflammation, stress, and more. With 5x more tests than the average physical and twice-yearly testing, you can monitor for early indicators of disease and uncover areas for improvement. Get personalized insights from the world’s top doctors and decades of research, plus a detailed clinician summary of your results every time you test. Function provides an evolving action plan for your lifelong health.
Use code REALFOODOLOGY100 as your access code and REALFOODOLOGY100 as your gift code at checkout to unlock your $100 credit.

100+ lab tests
Unique health insights
Clear next steps
REALFOODOLOGY100
Testing is easy
By top doctors and 1000s of hours of research
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.
Real people. Real results.



