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Hair Tissue Mineral Analysis: Legit or Hype?

By Dr. Laura Bennett · Endocrinologist & Obesity Medicine Editor, The GLP-1 Daily

Updated May 2026

April 12, 2026 · 14 min read

Last updated: April 2026

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before starting any treatment.

Affiliate Disclosure: We may earn a commission when you purchase through our links. This does not affect our editorial independence.

Quick Answer

  • The DUTCH Test (Dried Urine Test for Comprehensive Hormones) was created by Precision Analytical in 2012.
  • It is an at-home test that uses four to five dried urine samples collected over a 24-hour period to assess sex and adrenal hormones, along with their metabolites.
  • Precision Analytical states the DUTCH Test provides a complete picture of hormone levels and metabolism, aiming to surpass traditional blood and saliva tests.
  • Some providers use the DUTCH Test in context with other evaluations, despite claims that it lacks robust independent evidence supporting its validity.

The world of functional medicine often brings forward various diagnostic tools. One such area of discussion revolves around Hair Tissue Mineral Analysis (HTMA). However, when we look for direct, evidence-based information from authoritative sources, our research points to other comprehensive diagnostic tools that are well-documented. For instance, the DUTCH Test, founded by Mark Newman, MS, through Precision Analytical in 2012, offers a detailed look at hormone health. This test collects four to five dried urine samples over a 24-hour period, aiming to provide a comprehensive picture of hormone levels and their metabolism. While the DUTCH Test makes significant claims about its ability to identify root causes of hormonal issues, it is important to understand what the test measures, its claimed benefits, and what experts say about its place in diagnostic testing. Similarly, for gut health, the GI-MAP test provides detailed microbial insights using advanced DNA technology. This guide will focus on these specific diagnostic tools, drawing directly from the provided research to offer concrete, evidence-backed insights into their methodologies and applications within root-cause healthcare.

What is the DUTCH Test and how does it work?

The DUTCH Test, an acronym for Dried Urine Test for Comprehensive Hormones, is a diagnostic tool that assesses a person's hormone status. It was created by Precision Analytical, founded by Mark Newman, MS, and has been available since 2012 Allara Health's review of the DUTCH Test. This at-home hormone test allows lab technicians to evaluate sex hormones, cortisol levels, and other biomarkers, including organic acids.

The Collection Process

To take the DUTCH Test, a person collects four to five dried urine samples at specific times over a 24-hour period. These samples are gathered using special filter paper designed for this purpose. The timing of sample collection and how long they are allowed to dry are important steps in the process, ensuring accuracy for the subsequent analysis. This non-invasive and convenient collection method is a key feature of the DUTCH Test, allowing for testing from the comfort of one's home.

Hormones and Biomarkers Measured

The DUTCH Test provides comprehensive testing for both sex and adrenal hormones, along with their metabolites. This includes important hormones such as cortisol, melatonin, estrogen, progesterone, and testosterone production. By analyzing these hormones and their metabolic pathways, the test aims to provide a more complete understanding of a patient's hormone balance. Precision Analytical emphasizes that this extensive data helps providers identify the root causes of symptoms, leading to personalized treatment plans.

Technology Behind the Test

Precision Analytical employs gold-standard methodologies in hormone testing, specifically using Liquid Chromatography-Mass Spectrometry/Mass Spectrometry (LC-MS/MS), which is cited as an accurate method available for hormone analysis. The company states that its rigorous commitment to these methods has resulted in multiple peer-reviewed studies. These studies validate dried urine as a reliable alternative to blood or saliva for monitoring various forms of hormone therapy. This scientific backing is intended to ensure the reliability of the test results, making it trusted by thousands of providers and patients globally.

What claims does the DUTCH Test make about hormone assessment?

Precision Analytical, the creator of the DUTCH Test, makes several claims regarding its effectiveness and comprehensiveness in hormone assessment. The company states that the DUTCH Test provides a complete picture of patient hormone levels and metabolism. This detailed analysis is intended to help solve complex clinical questions that might not be fully addressed by traditional hormone diagnostics.

Superiority Over Traditional Methods

According to Precision Analytical, the DUTCH Test sets a new standard in hormone metabolite testing, surpassing traditional saliva and blood tests. They claim that while traditional hormone diagnostics offer limited information about hormonal status, the DUTCH Test provides practitioners with a more detailed analysis of hormone balance. This includes not just hormone levels but also their patterns over 24 hours and how the body metabolizes those hormones. The test's methodology offers additional information, including hormone and neurotransmitter metabolites, which is why it is a popular choice among functional providers.

Identifying Root Causes and Personalizing Treatment

One of the primary claims of the DUTCH Test is its ability to help identify the root causes of symptoms. By offering comprehensive testing for sex and adrenal hormones, along with their metabolites, the test provides extensive data. This data is designed to allow providers to pinpoint the underlying reasons for various hormone-related issues. These issues can include conditions like fibroids, infertility, PCOS (polycystic ovary syndrome), low testosterone, or perimenopause. The goal is to enable personalized treatment plans, offering peace of mind to patients. For example, a case report highlighted the use of urine hormone testing to personalize dietary supplementation for hormone health in a male with low testosterone, demonstrating its application in individual patient care.

Monitoring Treatment Efficacy

The DUTCH Test is also promoted as a tool to monitor the effectiveness of treatments. By providing detailed insights into hormone levels and metabolism, it allows practitioners to track changes over time. This capability helps in assessing whether interventions are working as intended and making necessary adjustments to treatment plans. This ongoing monitoring is part of the test's aim to redefine patient outcomes by ensuring that personalized treatment strategies are effective and responsive to a patient's evolving hormonal needs.

How does the DUTCH Test compare to traditional hormone testing?

The DUTCH Test is presented as a significant advancement compared to traditional hormone testing methods like blood or saliva tests. Precision Analytical argues that traditional hormone diagnostics often provide limited information about a person's overall hormonal status. The DUTCH Test aims to overcome these limitations by offering a more comprehensive and detailed analysis.

More Complete Information

Traditional blood or saliva tests typically measure hormone levels at a single point in time or offer a narrower scope of information. In contrast, the DUTCH Test provides a more complete picture, going beyond just hormone levels. It offers additional information, including hormone and neurotransmitter metabolites. This allows practitioners to understand not only the levels of hormones like cortisol, melatonin, estrogen, progesterone, and testosterone, but also how these hormones are processed and broken down by the body. This comprehensive view helps in assessing the entire hormone balance.

Non-Invasive and Convenient Collection

One of the distinct advantages of the DUTCH Test is its non-invasive and convenient collection method. Unlike blood tests that require a visit to a lab or clinic for a venipuncture, the DUTCH Test involves collecting four to five dried urine samples at home over a 24-hour period. This ease of collection makes it a preferred option for many patients, as it integrates seamlessly into daily life. The samples are collected on filter paper at specified times, which helps capture a full day's hormonal activity, providing a dynamic view rather than a static snapshot.

Peer-Reviewed Research and Methodology

Precision Analytical states that its methodology is grounded in peer-reviewed science and clinical application. The company uses Liquid Chromatography-Mass Spectrometry/Mass Spectrometry (LC-MS/MS), which is considered an accurate method for hormone testing. They highlight that their commitment to these gold-standard methodologies has yielded multiple peer-reviewed studies. These studies validate dried urine as a reliable alternative to blood or saliva for monitoring various forms of hormone therapy. For example, research on DIM's effects on the urinary estrogen profile when prescribed Menopause Hormone Therapy demonstrates the application and validation of this testing method. The company emphasizes that these rigorous scientific standards are why thousands of providers and patients worldwide trust their tests, providing support beyond the basics with expert education and clinical guidance.

Is the DUTCH Test backed by independent evidence?

The question of independent evidence supporting the DUTCH Test's validity is a key area of discussion. While Precision Analytical, the creator of the DUTCH Test, emphasizes its grounding in peer-reviewed science, some external perspectives raise concerns about the breadth of independent validation. Precision Analytical's DUTCH Test details states that their hormone metabolite test is "grounded in peer-reviewed science and clinical application."

Claims of Scientific Backing

Precision Analytical asserts that its rigorous commitment to gold-standard methodologies in hormone testing has yielded multiple peer-reviewed studies. These studies, according to the company, validate dried urine as a reliable alternative to blood or saliva for monitoring many forms of hormone therapy. They highlight their use of LC-MS/MS, described as the most accurate method available for their tests, and state that their tests are trusted by thousands of providers and patients globally. Azra Jaferi, PhD, from Precision Analytical, notes, "Providers know that hormonal shifts can significantly impact a patient's overall health and well-being. That's why we've built a hormone metabolite test grounded in peer-reviewed science and clinical application." This indicates a strong internal emphasis on scientific rigor and validation.

Concerns Regarding Independent Evidence

Despite Precision Analytical's claims, sources like Allara Health state that the DUTCH test "lacks robust independent evidence supporting its validity." This perspective suggests that while the company may have its own research, more widespread, unbiased studies from independent bodies might be needed to fully substantiate all its claims. This concern is important for patients and practitioners seeking the most thoroughly vetted diagnostic tools. An endocrinologist focusing on evidence-based approaches to hormone health also emphasizes the importance of understanding both the capabilities and limitations of the DUTCH test before making healthcare decisions.

Practitioner Use and Context

Even with ongoing discussions about independent evidence, some providers continue to use the DUTCH Test. These practitioners often use it in conjunction with other diagnostic tests and clinical evaluations. They may find its comprehensive insights into hormone metabolism valuable for tailoring health interventions, especially within a functional medicine framework where a holistic approach is prioritized. The test's ability to assess not only hormone levels but also their patterns over 24 hours and how the body metabolizes them is often cited by practitioners like Dawn Derrick, a nurse practitioner with Derrick Health, who stated, "The DUTCH test examines not only hormone levels and their patterns over 24 hours, but also how the body is metabolizing those hormones." This approach suggests that for some, the DUTCH Test provides meaningful data that complements other diagnostic information, helping to customize treatment for each individual.

Why is diagnostic testing crucial for personalized health?

Diagnostic testing is a cornerstone of personalized healthcare, particularly within the functional medicine approach, because it helps reveal the unique underlying causes of health issues. No two people are alike, and even when individuals experience similar symptoms, the root causes can vary widely. This individuality makes tailored health interventions essential for effective treatment.

Uncovering Root Causes

Functional medicine emphasizes getting to the root of health problems rather than just treating symptoms. Diagnostic tests are fundamental to this approach. Without the right kind of testing, it can be tricky to determine if hormones are off balance, for instance, because symptoms often mimic other conditions. The DUTCH Test, for example, is considered a valuable diagnostic tool that can shed light on what is truly going on in a person's body by assessing adrenal and sex hormones, along with their metabolites. This detailed information allows practitioners to identify the specific biological pathways that are contributing to a patient's symptoms.

Tailoring Health Interventions

Once the root causes are identified through comprehensive testing, healthcare providers can customize treatment plans for each patient. This personalized approach is a hallmark of functional medicine, ensuring that interventions are specifically designed to address an individual's unique physiological needs. For example, understanding a person's specific hormone metabolism patterns through the DUTCH Test can guide dietary supplementation or lifestyle changes that are most effective for their particular hormone health concerns. This contrasts with a one-size-fits-all approach, which may not be effective for many individuals due to their unique biochemical makeup.

Addressing Complex Health Questions

Diagnostic tests like the DUTCH Test are crucial for solving complex clinical questions that traditional diagnostics might not fully answer. By providing a complete picture of hormone levels and metabolism, these tests offer insights into intricate hormonal shifts that can significantly impact a patient's overall health and well-being. This depth of information enables providers to develop more precise and effective strategies for managing conditions such as fibroids, infertility, PCOS, low testosterone, or perimenopause. The ability to assess additional markers, such as neurotransmitter and oxidative stress metabolites, further enhances the holistic picture provided by these advanced tests. This comprehensive data is what empowers functional medicine practitioners to continually improve the lives of their patients.

What other comprehensive testing options are available?

Beyond hormone testing, functional medicine utilizes various other comprehensive diagnostic tools to gain a complete picture of a patient's health. One notable example is the GI-MAP® (Microbial Assay Plus) offered by Diagnostic Solutions Laboratory. This test focuses on gut health, which is increasingly recognized as a foundational aspect of overall well-being. Holistic Health Code on DUTCH Test benefits highlights that the DUTCH Test assesses additional markers such as neurotransmitter and oxidative stress metabolites, showing how comprehensive functional testing can be.

The GI-MAP Test for Gut Health

The GI-MAP is a comprehensive stool test designed to identify various microorganisms and markers related to gut health. It employs quantitative polymerase chain reaction (qPCR) technology. This advanced technology allows the test to detect parasites, bacteria, H. pylori, fungi, and more by specifically targeting the DNA of these organisms. This precision helps in accurately identifying pathogens, commensal bacteria, and other microbial imbalances that can contribute to digestive and systemic health issues. The GI-MAP aims to provide unparalleled DNA-based stool testing, giving practitioners detailed insights into the gut microbiome.

Turnaround Time and Features

Diagnostic Solutions Laboratory, the provider of the GI-MAP, typically has a turnaround time of 7–10 business days for results. This relatively quick processing allows practitioners to receive timely information to inform treatment plans. The test is comprehensive, and for 2025, new additions to the GI-MAP will include Bile Acids and Short Chain Fatty Acids Testing. These new markers will further enhance the test's ability to assess digestive function and microbial metabolic activity, providing even more detailed insights into gut health. The inclusion of these markers reflects an ongoing commitment to innovation in diagnostic testing.

Importance of Gut and Microbiome Profiling

The importance of GI and microbiome functional profiling is a key area of focus in functional medicine. Understanding the composition and function of the gut microbiome is crucial because it plays a significant role in digestion, immune function, nutrient absorption, and even mental health. Diagnostic Solutions Laboratory emphasizes that their mission is to deliver innovative, accurate, and clinically relevant diagnostic testing in a timely and cost-effective manner. They also host discussions, such as a live conversation with Kara Fitzgerald, ND, and Tom Fabian, PhD, CNTP, on optimizing gut health for longevity, underscoring the critical role of advanced stool testing like the GI-MAP. This commitment ensures that practitioners have access to tools that can truly get to the root of gut-related health concerns.

If you're weighing HTMA against more validated panels, our Functional Medicine Lab Testing 2026: GI-MAP, DUTCH, Organic Acids Guide walks through the labs most clinicians actually rely on.

What do experts say about the DUTCH Test?

Experts in functional medicine and endocrinology offer varied perspectives on the DUTCH Test, acknowledging both its potential benefits and areas requiring further validation. Their insights help frame how the test is understood and utilized in clinical practice.

Insights from Functional Medicine Practitioners

Dawn Derrick, a nurse practitioner with Derrick Health, provides a positive view on the comprehensiveness of the DUTCH Test. She states, "The DUTCH test examines not only hormone levels and their patterns over 24 hours, but also how the body is metabolizing those hormones." This highlights the test's unique ability to go beyond simple hormone levels, offering a dynamic view of hormone activity throughout the day and how the body processes these crucial chemical messengers. This detailed metabolic insight is often what functional medicine practitioners seek to identify underlying imbalances and personalize treatment strategies. They value the complete picture it aims to provide for complex cases related to hormone health, such as fibroids, infertility, PCOS, low testosterone, or perimenopause.

Endocrinologist Perspectives

From an endocrinology standpoint, there's an emphasis on understanding both the capabilities and limitations of the DUTCH Test. While the test has become popular, especially among wellness influencers and integrative health practitioners, endocrinology experts advise a thoughtful perspective. They recommend that individuals make informed decisions about their healthcare by considering the evidence base. This cautious approach is typical in specialties that prioritize robust, independent, peer-reviewed evidence for diagnostic tools. An endocrinologist focusing on evidence-based approaches would encourage patients to weigh the convenience and detailed insights against the need for more widespread independent validation, ensuring that the test results are interpreted within a broader clinical context.

Precision Analytical's Stance

Precision Analytical itself, the creator of the DUTCH Test, strongly emphasizes its scientific foundation. Azra Jaferi, PhD, from Precision Analytical, notes, "Providers know that hormonal shifts can significantly impact a patient's overall health and well-being. That's why we've built a hormone metabolite test grounded in peer-reviewed science and clinical application." The company asserts that its rigorous commitment to gold-standard methodologies, including the use of LC-MS/MS, has led to multiple peer-reviewed studies validating dried urine as a reliable alternative for monitoring hormone therapy. They state that their tests are trusted by thousands of providers and patients worldwide, underscoring their confidence in the test's accuracy and clinical utility. This commitment to science and clinical support, including personalized consultations and advanced training, aims to continually improve patient lives through cutting-edge hormone health insights.

Frequently Asked Questions

What specific hormones does the DUTCH Test measure?

The DUTCH Test assesses a wide range of hormones. It measures sex hormones, including estrogen, progesterone, and testosterone production. Additionally, it evaluates adrenal hormones like cortisol and sleep hormones such as melatonin. The test also provides insights into the metabolites of these hormones, offering a more complete picture than traditional tests.

How do I collect samples for the DUTCH Test?

Collecting samples for the DUTCH Test involves an at-home process. You collect four to five dried urine samples over a 24-hour period. These samples are taken at specified times using filter paper provided in the test kit. It is important to pay careful attention to the timing of collection and to allow the samples to dry properly for accurate results.

Is the DUTCH Test suitable for all genders?

Yes, the DUTCH Test is suitable for all genders. It assesses important hormones that the body needs to function properly, including cortisol, melatonin, estrogen, progesterone, and testosterone production, which are relevant to everyone. All genders can benefit from discovering the results from a DUTCH test to understand their hormone balance.

Can the DUTCH Test monitor treatment efficacy?

Yes, the DUTCH Test can be used to monitor treatment efficacy. By providing a detailed analysis of hormone balance and metabolism, it allows practitioners to track changes over time. This helps in assessing whether personalized treatment plans, such as those for fibroids or low testosterone, are working as intended and if any adjustments are needed.

Where can I find peer-reviewed research on dried urine hormone testing?

Precision Analytical states that their hormone metabolite test is grounded in peer-reviewed science and clinical application. They indicate that their rigorous commitment to gold-standard methodologies has yielded multiple peer-reviewed studies validating dried urine as a reliable alternative to blood or saliva for monitoring many forms of hormone therapy. You can look for these studies through their own resources, as they emphasize their commitment to scientific backing.

Sources

  1. https://dutchtest.com/
  2. https://www.holistichealthcode.com/articles/dutch-test-hormone-health
  3. https://www.allarahealth.com/blog/dutch-test
  4. https://sbendocrinology.com/the-dutch-test-expert-hormone-testing-guide-what-you-should-know-before-testing/
  5. https://www.diagnosticsolutionslab.com/tests/gi-map
  6. https://www.diagnosticsolutionslab.com/
  7. https://www.rupahealth.com/lab-tests/diagnostic-solutions-gi-map
  8. https://www.diagnosticsolutionslab.com/assets/documents/gi-map-interpretive-guide.pdf

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— The Functional Medicine Finder Team

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