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FREQUENTLY ASKED QUESTIONS
Clear, straightforward answers before you start.

Your body, your brain, your story, your lived experience and the realities of everyday life, all of it is welcome here.

WHO THIS is for

Not sure this is the right fit? Start here.

1 

What type of clients do you see?

I work with both neurodivergent and neurotypical adults who want a whole-person, functional-nutrition approach. If you're looking for care that understands the gut–brain connection, honours real-life bandwidth, and uses a neurodivergent lens to make change feel clearer, calmer, and more doable, you're in the right place.

2

Is This Psychotherapy?

No. This is nutritional counselling. We work with food and your body. We do not diagnose or treat mental illness.

CREDENTIALS & Approach

What the letters after Yvonne's name mean, and how they shape the way she works.

1

Dietitian vs. Nutritionist:  What's the difference?

It's one of the most common questions people have when choosing between a dietitian and nutritionist, and a fair one. In Ontario, Registered Dietitian is a protected, regulated title: it means university training, supervised clinical practice, and ongoing accountability to a governing college. Nutritionist isn't regulated, so the training behind it can vary widely. That difference in clinical depth and oversight is why Yvonne, a Registered Dietitian (RD) with over 20 years of experience, is recognized by insurers in ways a nutritionist often isn't.

2

What is an IFNCP?

IFNCP stands for Integrative and Functional Nutrition Certified Practitioner — an advanced credential for Registered Dietitians trained in nutrition-focused functional medicine. In practice, it means I look at root causes, the gut–brain connection, stress patterns, hormonal changes, sensory needs, and whole-system physiology to understand what's going on, and how food, nutrients, and lifestyle can support you.

3

Why "Spicy Brains Nutrition"?

The name reflects my neurodivergent-informed approach to functional nutrition — bringing together the gut–brain connection, hormonal changes, sensory and executive-function needs, and the role of everyday foods, including functional foods like spices, in supporting the nervous system.

4

Do you support clients using GLP-1 medications?

Yes. I have experience supporting clients who are using GLP-1 medications, and those who aren't. Long-term success with GLP-1s for improved health often requires nutrition support, symptom monitoring, and targeted supplementation. I can help you understand how these medications interact with appetite, digestion, nutrient intake, and overall metabolic health. (For medical decisions or medication questions, please consult your prescribing clinician.)

COSTS & Logistics

The practical details — coverage, pricing, and how sessions actually run.

1 

Do you take insurance? Are dietitian services covered?

I don't bill insurance directly, but I can provide a receipt for you to submit. Registered Dietitian services are often covered under extended health benefit plans, though coverage varies, and many clients get partial or full reimbursement. Not sure if you're covered? Contact your benefits provider directly and ask whether your plan includes Registered Dietitian services, and whether a referral is required. Registered Dietitian services can also be claimed as a medical expense on your income tax.

2

Where and how we meet

Virtual sessions are available to anyone across Ontario. In-person sessions are coming soon to Hamilton. Current availability: Weekdays, Wednesday evenings, and occasional Saturday mornings.

GETTING Started

What the first steps look like, from booking to your first session.

1

What happens first?

You send a note or book a free 15-minute call. We talk it through, and you decide what feels right — no pressure either way.

2

How do I prepare for my first appointment?

I will send you some forms to complete and send back to me in advance of your appointment. If you prefer, we can use your appointment time to complete them together.  We'll start from wherever you stand.

3

What if I need to cancel?

Life happens. Give me 24 hours' notice — late cancellations are charged half the session fee.

Still Have Questions?

Send a note or call me. I'll answer within two business days.

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Yvonne Mullan
MSc, RD, CDE, IFNCP

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Come as you are, whenever you're ready

Functional Nutrition in Hamilton, Ontario, with virtual nutritional counselling available across Ontario.

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Spicy Brains Nutrition offers neurodivergent-affirming, weight-inclusive care from a Registered Dietitian, supporting adults with ADHD, autism, AuDHD and other neurodivergent conditions, alongside root-cause support for hormones, digestion, metabolism, diabetes, and complex health.

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Rooted in science. Guided with experience. Nourished with care.

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Committed to inclusivity and respectful care for all.

© 2026 Spicy Brains Nutrition 

Land Acknowledgement

 

We acknowledge that Spicy Brains Nutrition is located on the traditional territory of the Anishinaabeg, Haudenosaunee, Attiwonderonk, and the Mississaugas of the Credit First Nation. This land is covered by Treaty 3. Today, this meeting place is still home to many Indigenous peoples from across Turtle Island. We are grateful for the opportunity to live, work, and support our community on this land. We recognize the enduring presence and deep traditional knowledge of Indigenous peoples and are committed to fostering respectful relationships and reconciliation.

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