Subtleties in the Diagnosis of Endocrine System Dysfunction

by Mark Newman, MS

The DUTCH (Dried Urine Test for Comprehensive Hormones) test is currently the most comprehensive lab test available in the market. Therefore, it is not surprising that reading…

Fertility and the DUTCH Test®

by Mark Newman, MS

Please read this exceptionally informative article written by our Clinical Director, Dr. Carrie Jones, ND, MPH, as she discusses the importance of proper hormonal balance as it…

Cortisol Imbalance Can Cause Different Issues

by Mark Newman, MS

Cortisol imbalance can be the cause to many different day-to-day issues, such as feeling light headed, irritability, and even depression. Getting yourself tested with a reliable hormone test,…

Testing Matrix for HRT Monitoring – Updated

by Mark Newman, MS

I have personally spent almost 10 years putting together the information on our Testing Matrix, and we have had lots of good feedback on its…

How does DUTCH compare to other “spot” urine tests?

by Mark Newman, MS

Since we created and launched our Dried Urine Test for Comprehensive Hormones (DUTCH) 4 years ago, we’ve heard from so many of you, “DUTCH makes…

Adrenal Fatigue is all in your head (sort of)

by Mark Newman, MS

This is an important topic as our collective understanding continues to evolve. Since the term “Adrenal Fatigue” was coined in the late 1990s it has…

Study supporting DUTCH testing – Cortisol

by Mark Newman, MS

At the bottom of this email you can listen to a new webcast with Dr. Kara Fitzgerald talking all about hormone testing. Take a listen…

Why does DUTCH include cortisone and not just cortisol?

by Mark Newman, MS

DUTCH testing includes free cortisol throughout the day (just like saliva testing). This is a unique feature of our DUTCH testing model. Unlike saliva testing,…

Estriol Supplementation and Metabolites – A Caveat

by Mark Newman, MS

I want to discuss a complicated scenario with you. If you give estriol, please pay attention. If you don’t use estriol in your practice, feel…

Study supporting DUTCH testing – Improved Serum Correlation

by Mark Newman, MS

I’ve been anxiously waiting for all our data to roll in from an exciting study, and we’re now ready to share it. What we did…

Should You Test A Woman On The Birth Control Pill?

by Mark Newman, MS

To the point: Women on birth control pills have suppressed estrogen and progesterone. If you wonder why their progesterone and estrogen levels are low –…

Limitation and Caveats on Saliva Testing

by Mark Newman, MS

Our last educational email was about the limitations and caveats of our dutch testing (as well as urine testing in general). In this post, we…