Become a Certified Gut Health Expert — in 9 weeks.

The First Premier Gut Health Certification with an evidence-based curriculum for wellness professionals.

A woman with long, wavy red hair sitting at a white table working on a silver laptop with a brain logo on it. A virtual certificate of achievement for Sarah Lee in the Gut-Brain Method is displayed in the background on a wall.

The Gut-Brain Method™ Certification is the only practitioner training that combines clinical gut health science, functional lab interpretation, and the Gut-Brain Axis framework — in a single 9-week program.

Your clients don't have "random symptoms." They have gut dysfunction that's showing up in their mood, their skin, their hormones, their weight, and their sleep. And most practitioners are trained to address symptoms — not the root cause creating them.

This certification changes that. You'll leave with clinical protocols you can use, the ability to interpret functional lab tests, and the kind of scientific credibility that sets you apart from everyone else in your niche.

Designed for:

Nutritionists · Registered Dietitians · Health Coaches · Nurses · Therapists · Aestheticians · Wellness Practitioners · Medical Students

Join the Gut-Brain Method™ Certification Program and step into your next level of impact—with the tools, confidence, and scientific credibility to help others truly heal.

Developed and led by Ella Davar, RD — clinical longevity dietitian trained at NYU and Mount Sinai. TEDx speaker. Featured in Wall Street Journal, Forbes, Vogue, NBC, and Women's Health.
Gut-Brain Method Program bridges:

  • Functional nutrition

  • Microbiome science

  • Neuroscience & psychoneuroimmunology

  • Hormonal and metabolic health

She has trained thousands of clients and professionals worldwide and has been featured in The Wall Street Journal, NBC, FOX, Vogue, Forbes, and Women’s Health.

Practitioners don’t come here to “learn gut health.”
They come here to become authorities in it

Disclaimer: This Program is for informational purposes only and does not contain medical advice. Please contact your physician or a qualified healthcare provider with any questions regarding a medical condition. Additionally, comprehensive testing might be required for diagnosis; no patient-relationship is formed by purchasing this online educational course.

Why most gut health training leaves practitioners stuck

The gut health space is full of courses. Most of them teach what gut health is.

Very few teach practitioners how to systematically identify what's wrong in a specific client — and build a protocol around that data.

The Gut-Brain Method™ bridges clinical nutrition science, functional diagnostic testing, and the neuroscience of the gut-brain axis. It gives you a repeatable clinical framework you can use with every client — not general principles you have to figure out how to apply.

Longevity Dietitian’s Signature Program

Longevity Dietitian’s Signature Program ✳

Everything you need to start working with clients immediately

  • 9 video modules by Ella Davar, RD

  • Monthly live webinars with Ella Davar RD (Q&A + case review)

  • Guest expert lectures: Dr. Swenson, Dr. Hemal H. Patel (UCSD), Dr. Mahmoud Ghannoum (world's leading microbiome researcher)

  • Downloadable clinical tools: protocols, case studies, supplement guides, meal plan frameworks

  • Functional lab interpretation guides — how to read and act on test results

  • Access to the private Gut-Brain Method™ practitioner community

  • Certificate of Completion from the Global Longevity Association

  • Lifetime access to all materials and future updates

    Included Support:

    • Bi-Monthly Live Webinars with Ella Davar, RD (every other Wednesday)

    • Downloadable Tools, Protocols & Case Studies for use in clinical or coaching practice

    • Exclusive Access to the Gut-Brain Community for expert guidance, Q&A, and networking with peers

A chart illustrating food sensitivities, including dairy, eggs/meat/poultry, vegetables, and herbs/spices. It shows the reactive levels for each food item across four categories, with a colorful scale from low to high sensitivity. The image emphasizes understanding food sensitivities to manage inflammation and symptoms like congestion, bloating, brain fog, acne, eczema, and premature aging.

Over 4,000 clients and students worldwide

Review by Elizaveta Sullivan praising Ella, a professional nutritionist, for her expertise in weight loss and managing meat cravings, with a five-star rating.
Screenshot of a positive review by Alison Bowles praising Ella for personalized body coaching, written in black text with five yellow stars at the top.
Customer review for Ella, sharing a positive experience with her guidance on health, diet, and personal transformation.
Screenshot of a five-star review for a health protocol by a user named Gourmandj, praising Ella's advice on gut health and weight loss.

The Gut Brain Method is Built on 3 Key Pillars:

7-day meal plan booklet with science-backed nutrition for gut health, featuring a cover with fresh vegetables and meats, and interior pages with meal planning and tips by Ella Davar RD.
A medical illustration of the human digestive system highlighting the liver and intestines with an inset magnified view of a red, inflamed colon or intestinal tissue, part of a textbook chapter on inflammation.
Book cover titled "Longevity Optimization Guide" with green ginkgo leaves at the bottom and a beige background.

Course FAQ

Disclaimer: This program is for educational and informational purposes only and does not constitute medical advice. No patient-physician or patient-dietitian relationship is formed by enrolling in this online certification. Participants are responsible for practicing within the scope of their own professional licenses. Comprehensive clinical testing may be required for client diagnosis; this program does not qualify participants to diagnose medical conditions. Please consult a qualified healthcare provider with clinical questions.

Practitioners don't come here to "learn gut health." They come here to become authorities in it.

If you're ready to stop explaining symptoms and start resolving them — enroll now or download the syllabus to see exactly what's inside.

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