What is a Flat CAR Trying to Tell You?

featuring Kelly Ruef, ND

Audio Only:

Summer School Edition: Episode 3

Published July 25, 2023

It’s time for more cortisol curve talk with guest Kelly Ruef, ND. Join DUTCH Podcast host Jaclyn Smeaton, ND, as she and Kelly get to the bottom of flat cortisol curves. They highlight two distinct patterns to look for on the DUTCH Test and dive into nutritional and botanical support considerations to help get these kinds of patients healthy again. 

There’s so much packed into this episode. You’ll be glad you listened! 


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About our speaker

Dr. Ruef is a licensed naturopathic doctor who completed her medical education at the National University of Natural Medicine (NUNM) in Portland, Oregon. She completed a private residency at Pearl Natural Health in downtown Portland, where she specialized in inflammatory bowel diseases and women’s health.  

Currently, she is a clinical educator for Precision Analytical, makers of the DUTCH Test where she spends most of her time educating on how urine testing can improve the field of women’s and men’s health. With her background in biochemistry and cell biology, Dr. Ruef loves learning about the hormones and biochemical pathways in the human body, and she makes a point to share what she has learned through videos, blogs, social media posts, and podcasts with the hope that her education will help us all find happiness in health.  

Show Notes

Are you interested in becoming a DUTCH provider?  

You can sign up to become one today at www.dutchtest.com/providers. DUTCH providers have exclusive access to one-on-one consultations with DUTCH clinical educators, group mentorship sessions, and free educational resources like the DUTCH Interpretive Guide and the Mastering Functional Hormone Testing course.  

Become a provider today to take your first step toward becoming a hormone expert. 


Read the 2000 study that links higher mortality rates for women with metastatic breast cancer to abnormal cortisol curves.

DUTCH Blog: Measuring Free Cortisone and Metabolized Cortisol 

DUTCH Blog: Assessing Chronic Fatigue with the Cortisol Awakening Response 

Please Note: The contents of this video are for educational and informational purposes only. The information is not to be interpreted as, or mistaken for, clinical advice. Please consult a medical professional or healthcare provider for medical advice, diagnoses, or treatment.

Disclaimer: Special offer of 50% OFF first five kits is invalid 90 days after new provider registration.