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Jess Lewis

Functional Medicine Practioner & PhD Student

Clinical Herbalist

MCAS Nutrition

Nutritional Psychology

Work With Me: Personalized Support for MCAS & Long Covid Recovery

(You’ll be redirected to our secure Practice Better portal to schedule.)

Get real answers—and a plan you can actually follow

You’re not broken. You’re not imagining it. And you don’t need another generic handout or supplement stack.
You need someone who gets it—because I’ve lived it, studied it, and helped hundreds of others walk the path back from daily flares, food fears, and medical gaslighting.

Hi, I'm Jess.

I’m a tech executive turned clinical researcher and functional medicine practitioner after reversing my own severe MCAS & Long Covid. I’ve rebuilt my health from the ground up while managing a high-pressure career and life—and now I help others do the same.

I combine functional medicine, clinical herbalism, nutrition science, and nervous system regulation with real-world strategies that respect your energy and complexity. This isn’t all-or-nothing thinking. I sit at the intersection of:


✔️ Evidence-based research
✔️ Functional + integrative medicine
✔️ Lived experience that knows what it’s like to be dismissed

What You Get When You Work With Me 1:1

When you book a 90-minute intake, it’s not just about symptom tracking. It’s about building a comprehensive plan to stabilize your system and give you back your life.

 

Here's what’s included:

✔️ A full 90-minute session to build your MCAS recovery protocol

✔️ Low Histamine meal plans to get you started
✔️ A 30-minute follow-up session to fine-tune your strategy
✔️ Access to me via secure messaging between sessions
✔️ Video recordings of your sessions so nothing gets lost

✔️ Discounts at my FullScript pharmacy
✔️ 1-month free access to the Mast Cell Support Community, with:
– Weekly protocols
– Monthly workshops
– First access to the Mast Cell Reset Course (launching soon)
– A private space to ask questions and get real support

"I’ve had MCAS for 10 years and this was the first time I felt like someone actually connected the dots. Jess built me a roadmap I can finally follow." — Amy P.

 
Not Ready to Book Yet?

Totally fair. Healing starts with connection.
Join the Mast Cell Support Community → and get free access to education, live group calls, and a community of people who truly understand.

You’ll get weekly guidance and support while you decide if deeper work is the right next step.

Ready to Take the Next Step?

I only take on a limited number of 1:1 clients to ensure quality and attention. If you're ready to get clear, get calm, and move forward with a personalized plan—this is the place to start.

👉 Book Your Intake Session →
(You’ll be redirected to our secure Practice Better portal to schedule.)

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Supporting people with MCAS, Histamine Intolerance, Long Covid, POTS, and neuroimmune conditions through evidence-based, real-world strategies.

 

The information provided on this website is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before making changes to your health regimen. Jess Lewis is not a licensed medical doctor and the services offered are not a substitute for professional medical care.

Jess Lewis, The Mast Cell Protocol, and the Mast Cell Reset are © 2025 by Jess Lewis 

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