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The Organic Acids Test should be a cornerstone assessment tool for anyone practicing functional and integrative medicine. Health care is in a crisis. The high cost of medicines, procedures and insurance premiums are forcing people to seek alternatives for their health problems. Also, the realization that conventional medicine (a.k.a. traditional medicine) is limited in helping people with many chronic ailments has instigated a movement in self-care through internet resources and do-it-yourself treatments and/or to seek out practitioners trained in "other" of ways of administering health care. Fortunately, there are tools that you as a health care practitioner can easily implement to help more people achieve better health and wellness and get to the root causes of their chronic health concerns. The OAT is one such tool!

The Organic Acids Test (OAT) is the single greatest test that every health care practitioner should know how to interpret and use in their practice.

- Dr. Kurt Woeller, Medical Director, Integrative Medicine Academy

What is the Organic Acids Test (OAT)?

An OAT is an accurate assessment of what is going on metabolically in the body. It evaluates for over 75 urinary metabolites that can be useful for discovering underlying causes of health problems. Treatments based on OAT findings often leads to improved energy, sleep and mental health conditions, as well as reduced attention and concentration problems, chronic pain, digestive issues and neurological disorders. It is the single greatest test that every health care practitioner should know how to interpret and use in clinical practice. It is a powerful tool for helping people with chronic health problems and is a cornerstone test taught in the various Integrative Medicine Academy’s Mastery Courses.

What are Organic Acids (OA)?

Organic acids are chemical compounds excreted in the urine of mammals that are products of metabolism. They are substances in which carbon and hydrogen are always present, but may also contain the elements of oxygen, nitrogen, sulfur and phosphorus. Examples of OA’s are lactic acid linked to glucose metabolism and can be elevated in metabolic problems, physical stress, poor blood flow, bacterial infections, mitochondrial dysfunction, mold toxicity and even sleep apnea. Another common OA is HPHPA produced by certain clostridia bacteria in the digestive system. HPHPA is a known inhibitor of nervous system dopamine metabolism which is linked to neurological diseases such as Parkinson’s disease, various mental health disorders and autism.


Who Is The OAT Beneficial For?

The Organic Acids Test is for any individual with a chronic health condition where you suspect metabolic toxins or imbalances may be a causative or contributing factor. The following is a short list of health disorder, but not exclusive:

  • Autism
  • Autoimmune
  • Chronic fatigue
  • Digestive problems
  • Metabolic disorders
  • Mental health conditions
  • Neurological disorders

Who is The Essential OAT Mastery Course Designed For?

Our Essential OAT Mastery Course is designed for the health care practitioner who is wanting to incorporate Organic Acids Testing into their practice. The Essential OAT Mastery course is dedicated to mastering the fundamentals of OAT testing.

This Course is Specifically Designed For:

Practitioners who have personally used the OAT with patients, but want to get more proficient at interpreting the test and prioritize its information.
Practitioners who have taken Dr. Kurt Woeller’s one-day OAT seminar, but need a refresher on the OAT information before advancing to our Advanced OAT Mastery Course.
Practitioners who are Alumni of at least one of the Mastery courses offered from Integrative Medicine Academy: Autism Mastery, Functional Medicine Mastery, SIBO Mastery and Toxicity Mastery.

Should You Take This Essential OAT Mastery Course if You Are New to The OAT Profile ?

The short answer is "YES." This course is specifically designed for practitioners new to the OAT or who need a refresher on interpreting much of its information. As a health care practitioner, you are certainly free to choose whatever educational material you have a desire to learn. This includes participating in the many Mastery courses that we provide. The Essential OAT Mastery Course is designed to be a fundamental and clinically relevant OAT training course, and is a precursor for Dr. Kurt Woeller’s Advanced OAT Mastery Course.

Each section on the OAT can be viewed as its own separate lab test. The OAT takes time and dedication, but ultimately is practice transformative in helping patients challenged with chronic health problems.

- Dr. Kurt Woeller, Integrative Medicine Academy

Become An Integrative Medicine & OAT Specialist
With The Essential OAT Mastery Course!

The OAT Test is Separated Into
Multiple Major Categories And Subcategories.

With Essential OAT Mastery Course, You Will Explore THE MOST COMMON Markers of The OAT Sections, including:


    Common markers explained, including links to invasive candida, aspergillus and fusarium mold exposure and other markers associated with yeast overgrowth.


    Includes markers of normal bacterial activity, e.g. DHPPA, as well as dysbiosis that can be associated with irritable bowel syndrome (IBS) and small intestine bacterial overgrowth (SIBO).


    Includes 4-hydroxyphenylacetic, HPHPA and 4-cresol linked to the presence of pathogenic clostridia bacteria, including Clostridia difficile. Clostridia toxins can have profound negative effects on the digestive system, but also the brain and nervous system. It’s essential that every practitioner understand the relationship between clostridia toxins and various health disorders because many other OAT profiles do not provide comprehensive clostridia markers. The GPL OAT does!


    Includes Oxalic which can be linked to oxalate crystals and kidney stones, as well as other pain associated disorders such as fibromyalgia, arthritis and vulvodynia. Oxalate problems can also lead to mitochondrial dysfunction and have a negative impact on mineral balance, and are known to interact with heavy metals such as mercury and lead.


    Includes various organic acids linked to mitochondrial dysfunction such as Succinic (strongly linked to environmental chemical exposure) and Lactic (can indicate the presence of mold toxins). This Essential OAT Mastery Course will discuss various causes of mitochondrial problems that every functional and integrative medicine health practitioner needs to know.


    Includes dopamine, norepinephrine and serotonin metabolites, as well as the new OAT marker DOPAC. This section of the OAT is often revealing for people with mental health challenges, sleeping disorders and neurological conditions. For example, elevations in dopamine are often seen in individuals with clostridia toxins, e.g. HPHPA. High dopamine can lead to nervous system toxicity.


    These contain various organic acids related to nutritional imbalances such as lack of Vitamin C, B6 and B12, as well as fatty acid disorders which correlate to mitochondrial problems, etc. The amino acid metabolites can be linked to complex biochemical disorders.


    Includes markers for glutathione status and/or methylation imbalances. This section of the OAT has strong associations with biochemical imbalances and environmental toxins.


    Includes many examples of OATs highlighting different areas of imbalances. Each practitioner who completes the Essential OAT Mastery Course will be confident in OAT assessment and prepared to correlate other functional medicine testing for people dealing with chronic health challenges. You will also be prepared to take Dr. Woeller’s Advanced Oat Mastery Course.


    Includes information about how the OAT relates to other laboratory testing and which markers on the OAT should prompt investigation into other areas such as environmental toxin assessment, mold exposure, etc.


    Includes patient case reviews for real-life clinical practice learning. Also, case examples will be provided that ask each course member to prioritize OAT categories and certain markers that have strong clinical significance within the context of multiple health complaints.


    Discussed throughout the Essential OAT Mastery Course are clinical pearls from a practicing clinician standpoint. The Essential OAT Mastery Course is not just about memorizing markers on a lab test, but how the OAT markers may relate to various patient scenarios. Troubleshooting information is always important in real-life clinical practice and learning how to apply the OAT to each person clinically is paramount to fully understanding the usefulness of this test.

We've Jam Packed Everything Into This 6 Module, Essential OAT Mastery Course to Flatten Out The Learning Curve, So You Can Quickly & Successfully Incorporate Your Newly Acquired Knowledge And Skills Into Your Practice!

Look At Everything You'll Get With The Essential OAT Mastery Course:

  • Live, Weekly Webinars

    Weekly lesson webinars (6 total) with Dr. Woeller. Each webinar is presented LIVE, and recorded for later viewing.

  • Live Q&A Sessions (Including Lab Reviews)

    Live Q&A sessions with Dr. Woeller. These sessions are presented LIVE, recorded for later viewing, and are meant to support the lecture material, but are open to any topic of interest you may be encountering in practice.

  • 24/7 Access To Private Forum

    24/7 access to Drs. Woeller through the members-only, Essential OAT Mastery Course Forum. This forum is used by you to post questions to the doctors.

  • Brandable Office Documents

    Office documents, templates, treatment protocols, patient handouts, etc. Many of these documents are open-access (brandable), which means you can use at your discretion for your own logo placement, etc. to be used within your practice. The course materials are designed to make this process of adding integrative and functional medicine into your practice as turn-key as possible.

  • Webinar Lesson Slides

    Color slides in PDF format for all lectures, as well as printouts that can be used during the webinars for note-taking.

  • Certificate of Completion and CEU/CME Credits

    You will receive a Certificate of Completion for the Essential OAT Mastery Course after successfully completing both course exams.  This course also qualifies for CEU/CME Credits (check with your governing board in your state on CEU/CME requirements and accepted accreditation).

  • Extended Access to Resources

    You will have additional access to all the course materials for one full year after the course for future review.

Essential OAT Mastery Course Module Outline

The material in this Essential OAT Mastery Course is designed for the health care practitioner who is wanting to incorporate Organic Acids Testing into their practice. The Essential OAT Mastery Course is dedicated to mastering the fundamentals of OAT testing.

  • Module #1 – Overview of OAT Sections & How to Interpret the Test:

    • Introduction to the Organic Acids Test (OAT).
    • What are organic acids?
    • Introduction to mitochondrial dysfunction.
    • Discussion of each section on the OAT, e.g. Fatty Acid Metabolites, Nutritional Markers.
    • Prioritization of OAT markers.
    • Understanding how different sections of the OAT relate to one another. For example, how Clostridia Bacteria Markers correlate with the Neurotransmitter Metabolites. 

  • Module #2 – Overview of Yeast & Fungal Problems:

    • Overview of Yeast and Fungal section of OAT.
    • Markers indicating mold exposure.
    • Markers indicating candida and yeast overgrowth.
    • Discussion regarding invasive candida.
    • Candida and high oxalic acid.
    • Treatments for invasive candida.
    • Other laboratory tests to consider based on positive findings in Yeast and Fungal Markers section of the OAT.
    • Introduction to biofilm.

  • Module #3 – Overview of Clostridia Bacteria Problems:

    • Overview of Clostridia Bacterial Marker section on OAT.
    • Overview of Bacterial Marker section on OAT
    • Each clostridia bacteria marker discussed in detail.
    • Clinical correlation of clostridia bacterial markers to various health problems, e.g. Autism, digestive problems, neurological and mental health disorders.
    • Introduction to clostridia bacterial treatment options, natural and prescription
    • Other laboratory tests to consider based on positive findings in Bacterial and/or Clostridia Bacterial Markers section of the OAT. 

  • Module #4 – Overview of Oxalate Related Problems:

    • Overview of the Oxalate Metabolites section on OAT.
    • Discussion regarding oxalic, glycolic and glyceric acids.
    • Clinical correlation of oxalate metabolites to various health problems, e.g. Autism, chronic pain, mitochondrial dysfunction, kidney disease.
    • High oxalate treatment options provided.
    • Case studies of high oxalate.

  • MODULE #5: Overview of Tryptophan/Serotonin Metabolites and Quinolinic Acid

    • Overview of the Tryptophan Metabolites section of the OAT.
    • Discussion of blood brain barrier inhibition to tryptophan and competing amino acids.
    • The link between tryptophan and Quinolinic Acid (QA).
    • Emphasis on Quinolinic Acid and links to neurologic toxicity and inflammation.
    • Treatment considerations for high QA.

  • MODULE 6: Additional Case Studies and Clinical Pearls:

    • Revisiting antipathogen intervention, i.e. treatments for invasive candida, anti-biofilm. 

    • Clostridia bacteria treatment options and case studies.
    • Case studies related to conventional clostridia treatment and cyclical/pulse dosing of antibiotics and/or botanicals.
    • Case study scenarios and various OAT examples highlighting prioritization of findings, i.e. fungal problems, clostridia bacteria toxicity, high oxalates, quinolinic acid.
    • Clinical pearls and more.



Kurt N. Woeller, D.O., a Doctor of Osteopathic Medicine, is a functional and integrative medicine physician with over two decades of clinical experience in chronic health problems, including autism, autoimmune, gastrointestinal and neurological disorders. His autism practice alone is international and the successful implementation of his four-pillar approach to functional and integrative medicine by people worldwide is well known.

He is The Author of Several Integrative Health Books:
• Autism – The Road To Recovery.
• Methyl-B12 For Autism.
• 7 Facts You Need To Know About Autism.
• Methyl-B12 and Methylation Therapy for Alzheimer’s Disease and Dementia.
• 5 Things You MUST Do To Treat Your Rheumatoid Arthritis (co-authored with Tracy Tranchitella, N.D.).

Dr. Woeller is an internationally recognized lecturer and educator on functional and integrative medicine having spoken throughout the North America, as well as Asia, Europe, Mexico, United Kingdom and Central America. Since 2015, Dr. Woeller has taught the one-day Organic Acids Test (OAT) seminars from Mosaic (formerly Great Plains) Laboratory.

He provides health practitioner education through Integrative Medicine Academy, an online resource for educational information on integrative medicine topics. He also runs Autism Recovery System, an online resource for parents of autism-spectrum individuals. He is the Medical Director for Lab Tests Plus, providing professional, functional medicine lab testing that is often only available through a doctor’s office, direct to the consumer. Dr. Woeller is also the host of Functional Medicine Doc Talk, a podcast focusing on health, wellness, and how to use functional and integrative medicine to optimize health, and overcome chronic illness.

Dr. Woeller serves as a clinical consultant/educator for Mosaic (formerly Great Plains) Laboratory, providing patient and physician education regarding functional and integrative medicine through one-on-one training and monthly webinars.

He has served on various scientific advisory boards, including Integrative Medicine for Mental Health (IMMH) and currently for BioBotanical Research. Dr. Woeller is a member of the American Osteopathic Association (AOA), and Medical Academy of Pediatric Special Needs (MAPS) where he holds a Fellowship.

The Essential OAT Mastery Course will provide you with the clinical tools and satisfaction in being able to effectively help more people improve their overall health.

You've Got Questions? We've Got Answers...

  • Q.What is The Essential OAT Mastery Course?

    A.The Essential OAT Mastery Course is comprehensive online course on the use of the Organic Acids Test. The most common markers on the OAT test will be discussed, along with clinical correlation, lab reviews, case studies, OAT category correlation to other laboratory testing, e.g. mycotoxins, environmental chemicals, and SIBO.

  • Q.Do I Have to Have Some Other Type of Functional Medicine or Organic Acids Test Training Before I Can Participate?

    A.No. This Essential OAT Mastery Course is designed for healthcare professionals who are new to using the OAT, or who are looking for a thorough refresher course.

  • Q.How Can I Incorporate This Material Into My Practice?

    A.The benefit of this course is your improved knowledge regarding Organic Acids Testing and its relationship to a comprehensive Functional Medicine practice. This will immediately make it easier for you to identify those patients or clients who may benefit from this type of approach, and also allow you to assess their needs more efficiently.  The course material provided will also help you streamline office systems for laboratory testing, interpretation and treatment protocols.

  • Q.What Will I be Able To Do Once I Have Completed The Essential Medicine Mastery Course?

    A.This course will provide you with critical information on Organic Acids Testing, clinical correlations, test marker interpretations, and complementary lab tests, such as chemical, mold toxin and other functional medicine labs. There will also be protocols and much more. After this course, you will be well prepared for more in-depth course material linked to Advanced OAT, environmental toxicity (chemicals, heavy metals, mold), small intestine bacterial overgrowth (SIBO), methylation/folate cycle imbalances, etc. As a healthcare practitioner, you will be able to take this information and apply it in your practice immediately.

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Essential OAT Mastery Course Starts
March 11th, 2024!

Essential OAT Mastery Course
    Join Now!
    • 6 Core Modules, 10+ Hours
    • 2 Q&A Sessions, 2 Hours
    • Course Exams, 2 Hours
    • Extended Access to the Essential OAT Mastery Forum
    • Certificate of Completion in Essential OAT Mastery Course with successful passage of course exams.

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    We are so sure you will love this Integrative Medicine Academy training course, that we will give you your money back if you don’t agree it was well worth the cost. Dr. Woeller is a dynamic and inspirational speaker & teacher, and is gifted with the ability to breakdown complex concepts and put them into easy-to-understand pieces. We are so confident that you will enjoy this training course, that we offer a No Hassles, No Problems, Money Back Guarantee. Basically, if you don’t like it, we don’t want your money! Enroll in the program. After the first module, if you’re not completely satisfied by what you’ve received, simply send us an email within 7 days after the delivery of Module 1, and we’ll give you a full refund on the course.