Services for MCAS, hEDS and POTS

reading AGA Clinical Practice Update on GI Manifestations in Hypermobile Ehlers Danlos Syndrome with coexisting Postural Orthostatic Tachycardia Syndrome and/or Mast Cell Activation Syndrome: expert review

I have been providing dietary support for Mast Cell Activation Syndrome (MCAS) since 2019, and for Ehlers-Danlos Syndrome (hEDS) and Postural Orthostatic Tachycardia Syndrome (POTS) since 2024. I continue to stay abreast of the latest dietary interventions and recommendations for managing this “trifecta” of disorders.

Please note that the dietary support I provide is an adjunct treatment to the various classes of medications that may be prescribed by your doctor or specialists, which may include different types of antihistamines (H1, H2), gastrointestinal or blood pressure medications, etc.

Services for MCAS, hEDS & POTS

Since the nutrition needs of each person with Ehlers-Danlos Syndrome (hEDS), Mast Cell Activation Syndrome (MCAS), and Postural Orthostatic Tachycardia Syndrome (POTS) are different, and ~60% of individuals have been diagnosed with more than one of these disorders, which symptoms take priority needs to be factored in. For this reason, an Initial Consultation is the first step.

  • During the Initial Consultation, we will meet to discuss your diagnoses, symptoms, and goals, and together will decide on the best approach for starting services.
  • Subsequent services will be provided as a Complex Clinical Nutrition Appointment or a specialized clinical package, outlined below.

Complex Clinical Nutrition Appointments for MCAS, hEDS and POTS

Implementing a Low Histamine & Bioactive Amine diet
Development or adjustment of nutrition strategies
Review of nutrition concerns, symptoms

How Much Do Complex Clinical Nutrition Appointments Cost?

Complex Clinical Nutrition Appointments for MCAS, hEDS and POTS are billed on a per-appointment basis.

Cost: $170 (GST exempt). Appointments are 50 minutes, with 10 minutes for reviewing clinical data, answering questions, and discussing possibilities for next stage of care.

Additional Nutrition Support for MCAS, hEDS and POTS

Layered Low Histamine and Low FODMAP Approach

For individuals with MCAS (with or without hEDS and/or POTS) whose gastrointestinal symptoms persist after implementing a Low Histamine & Bioactive Amine Diet, additional nutrition support may include a layered low FODMAP approach.

Rather than following the traditional three-stage low FODMAP diet, which begins by eliminating all FODMAP foods, this approach reduces selected FODMAP groups based on your predominant symptoms.

People with MCAS and hEDS often already have highly restricted diets. The goal is to improve symptoms while minimizing unnecessary dietary restrictions. Which FODMAP groups are reduced first will be guided by your predominant symptoms, such as diarrhea, constipation, or slow gastrointestinal motility.

Cost: $170 (GST exempt) based on the Complex Clinical rate; appointments are 50 minutes with 10 minutes for answering questions and discussing the next stage of care.

Clinical Meal Plan Diet Package

Option 1:

This package includes the design and teaching of an individual Meal Plan based on low-histamine / low-FODMAP foods that have already been determined to be tolerated through previous services.

Cost: $510 (GST exempt); services are broken down into three services of 50 minutes each.

  • Complex Clinical Comprehensive Clinical Assessment ($170)
  • Complex Clinical Individual Meal Plan design ($170)
  • In-depth Nutritional Education Session to teach complex clinical Meal Plan ($170)

Option 2:

This package includes the design and teaching of an individual low-histamine Meal Plan, factoring in dietary changes for gastroparesis / low motility.

Cost: $560 (GST exempt); services are broken down into three services of 50 minutes each.

  • Complex Clinical Comprehensive Clinical Assessment ($170)
  • Complex Clinical Individual Meal Plan design ($170) with adaptations for low motility (+$50)
  • In-depth Nutritional Education Session to teach complex clinical Meal Plan ($170

How to Get Started?

Visit the Book An Appointment tab
Follow the note “MCAS, hEDS & POTS? Read here first” to send additional information
Complete the boxes on the Intake and Service Option Form in point form.
For services, select the Initial Consultation only to start.
Drag and drop a downloaded PDF copy of your most recent lab test results or email them to our office (no jpegs or PDFs of jpegs, please)
Book your Initial Consultation appointment
Receive your appointment confirmation
Attend your Initial Consultation

Questions About Booking, Billing, or Extended Benefits?

On our FAQ page, you’ll find answers to questions about booking, billing and payment options, appointment confirmations, extended benefits claims, and much more. If you have any questions that are not answered there, you can contact us through the form at the bottom of the FAQ page.

Meet to Discuss Symptoms & Services

The first step in service for those with hEDS, MCAS, or POTS is to book an Initial Consultation.
Get started by clicking the button below.

Book an Appointment


Questions and Answers

Q: Why is an Initial Consultation required for hEDS, MCAS, and POTS services?

A: Approximately 60% of individuals with these conditions are diagnosed with more than one of them. Because the symptoms of hypermobile Ehlers-Danlos Syndrome (hEDS), Mast Cell Activation Syndrome (MCAS), and Postural Orthostatic Tachycardia Syndrome (POTS) are different for each individual, there is no set package. An Initial Consultation enables us to meet to discuss your specific symptoms and prioritize your digestive or systemic triggers.


Q: How does a “both sides of the clinical desk” perspective affect your care?

A: I was diagnosed with Mast Cell Activation Disorder (MCAD) nearly a decade ago and have first-degree family members living with hEDS and POTS. As a result, navigating these overlapping complex conditions is a daily reality, not only an academic interest. Understanding these disorders from both sides of the clinical desk enables me to provide empathetic, practical, and highly realistic strategies based on the current literature and lived experience.


Q: Can nutrition support manage histamine intolerance or mast cell flares safely?

A: Yes. As part of a medical nutrition therapy plan, structured elimination of bioactive amines, including histamine, helps reduce total systemic mast cell load. The focus is on identifying your current thresholds for bioactive amines so that overall nutritional needs can be met through other foods.