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 immediately, 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 clinical video modules with Ella Davar, RD

  • Bi-monthly live webinars with Ella — every other Wednesday (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.
    • Anti-inflammatory, elimination, and low-FODMAP protocols

    • Parasite, candida, SIBO, and dysbiosis solutions

    • Food-as-medicine interventions with lab-backed precision

    • Clinical science

      Every module is grounded in peer-reviewed research and clinical practice — not wellness theory. You'll learn to interpret lab results and build evidence-based protocols, not just recommend probiotics.

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.
  • The RESET™ framework gives you a repeatable clinical system for identifying what's actually wrong — and addressing it. One framework. Every client.

    1. Supplements and Nutrient Deficiencies

    2. Parasites/Enzymes

    3. Gut Bacteria and Pathogenic Bacteria

    4. Prebiotics, Postbiotics, and Probiotics

    5. Gut Metabolites

    6. Gut Microbiome

    7. Weight Loss

    8. Meal Planning for the Menstrual Cycle

Book cover titled "Longevity Optimization Guide" with green ginkgo leaves at the bottom and a beige background.
  • Gut-brain axis integration

    Most gut health programs ignore the nervous system. This one doesn't. You'll learn how gut dysfunction drives mood disorders, sleep problems, cognitive issues, and hormonal imbalances — and how to address the axis, not just the gut.

    The Gut Brain Method also includes Neuroscience-based Brain Support to improve your Vagus Nerve stimulation and tone, which is crucial for balancing the brain-gut axis. Through guided theta meditation, hypnosis, and breathwork, you’ll enhance your mental clarity, boost your energy, and improve your mood—all while optimizing your gut health.

Course FAQ

  • This course is for anyone struggling to lose weight, dealing with food intolerances, autoimmune conditions, or digestive issues like bloating and discomfort. It’s designed for those ready to address the root causes of their health challenges and finally see lasting results.

    Whether you’re looking to take control of your health, help your family eat and feel better, or support others professionally, this program gives you the tools and knowledge you need. Created by a world-renowned longevity dietitian, it empowers you to heal, grow, and confidently transform lives.

  • In just 9 weeks, you’ll gain expert knowledge and practical tools to master gut health and longevity. The program includes nine modules that break down everything you need to help yourself and others, including advanced detox strategies, longevity habits, and personalized health solutions.

    You’ll learn how to use supplements effectively, balance hormones for better energy, and improve skin health by fixing gut issues. The course also teaches advanced testing to identify root causes, bio-individuality for creating personalized plans, and mindfulness techniques to build a confident, healthy mindset.

    This course gives you the skills to lose weight, heal gut issues, and achieve long-term health with clarity and confidence, all while helping others do the same.

  • Do you feel like no matter what you try, you can’t lose weight and are tired of restrictive diets? Are you always exhausted, even when you eat and sleep well? Do certain foods leave you feeling bloated or uncomfortable?

    Are you constantly craving food and thinking about it all day? Is your skin breaking out with acne or eczema that won’t go away? Are you dealing with frequent UTIs that disrupt your life?

    If any of this sounds like you, the Gut-Brain Method is exactly what you need. This program will help you get to the root cause of your symptoms, heal your gut, and finally feel in control of your health. You’ll learn how to heal yourself, support your family’s health, and even teach others to live better.

  • By purchasing any courses, guides, or products from gutbrainmethod.com by Ella Davar RD, you acknowledge and agree to the following:

    • No Refunds Policy: All sales are final. Due to the nature of digital products and services, we do not offer refunds, exchanges, or cancellations once your purchase is completed.

      1. Informational Purposes Only: The courses, guides, and materials provided are for educational and informational purposes only. They are not a substitute for personalized medical advice, diagnosis, or treatment. You are encouraged to consult with a qualified healthcare provider before making any significant changes to your diet, lifestyle, supplements or medication.

      2. Results May Vary: The content provided is based on Ella Davar RD's expertise as a longevity dietitian and gut health specialist. However, individual results may vary, and no specific outcomes are guaranteed.

      3. Non-Transferable: Purchases are for individual use only and may not be shared, distributed, or resold in any form.

      By completing your purchase, you confirm that you have read, understood, and agreed to these terms. For any questions regarding this policy, please contact us Hello@gutbrainmethod.com prior to making your purchase.

      Thank you for your understanding and support! Ella Davar RD | Global Longevity Association INC

  • The Gut-Brain Method™ Certification is issued by the Global Longevity Association. It is an advanced professional development certification, not a state license or RD credential. See disclaimer below.

  • Plan for approximately 3–5 hours per week for video modules, plus bi-monthly live sessions with Ella (90 minutes each).

  • You will have access for 15 weeks to all recorded materials, downloadable protocols, and future updates.

  • Bi-monthly live webinars with Ella are held every other Wednesday. Recordings are available for all enrolled students.

  • You receive a Certificate of Completion from the Global Longevity Association. You retain lifetime access to the practitioner community, updated protocols, and future live sessions.

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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