Everything here has earned its place

Welcome to our wellness store, where every supplement, skincare product, book, and resource on this page reflects what I use, recommend, and trust. ALL grounded in functional medicine and longevity science. — DrKF

health supplements

Access Practitioner-Grade Supplements Through Fullscript

I’ve moved my supplement dispensary entirely to Fullscript, the most trusted platform for practitioner-grade supplements in functional medicine. Fullscript purchases directly from manufacturers, so there are no third-party sellers, no quality concerns, and no guessing. Every product ships directly to your door.

I use Fullscript to send personalized recommendations directly to patients and followers. You can also browse and order independently through my dispensary link below.

How it works:

  • Browse my curated dispensary or wait for a personalized recommendation
  • Order through my secure Fullscript link
  • Products ship directly to your door
  • Set up automatic refills or reorder reminders on your schedule
Access the Dispensary

The Research, in Your Hands

Younger You book

The nationally bestselling guide to reversing biological age, based on Dr. Fitzgerald’s landmark randomized controlled trial. An 8-week program backed by peer-reviewed science.

Better Broths book

A practical recipe collection grounded in traditional food wisdom and functional medicine, broths, tonics, and nourishing drinks that support gut health, immunity, and recovery.

REPORT: The Use of AI & Wearables in Functional & Longevity Medicine

The Use of AI & Wearables in Functional & Longevity Medicine

A clinical report for practitioners navigating health technology, what the evidence actually supports, how these tools are being used in longevity medicine, and what you need to know before integrating them into practice.

Get the Report
Younger You Supplements

Younger You Daily Supplements

What could be more convenient than having your daily supplements all pre-portioned in one pouch? Choose your level to get the combination of supplements that’s right from you. Monthly subscription available.

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(note you’ll be leaving www.drkarafitzgerald.com to go to www.vitaboom.com to complete your purchase)

Other Supplements We Love

Fatty15

fatty15 (C15:0)

C15:0 is an essential fatty acid that your body needs to stay healthy, especially as you age.*

Not sure where to start?

Take the free Bio Age Quiz to understand where you are biologically, and where to focus first.