Bloated, breaking out, exhausted, or stuck? Your gut has the answer.

The Gut-Brain Method™ is a registered-dietitian-led program that starts with testing. We read your body’s data, then build a plan that fits it.

Take the 2-minute Gut Quiz

See programs and pricing

At-home lab testing

Read with you by a dietitian

2,000+ clients and students

Your symptoms are trying to tell you something.

From bloating to fatigue, your symptoms may reveal more about your gut health than you think.

These symptoms have many possible causes. Testing helps show what may be behind yours.

A clearer path to better gut health.

No more guessing. We use targeted testing to help uncover what's going on and what to do next.

01
Tell us what's going on
A 20-minute evaluation call with a registered dietitian. $99, credited to your program.
02
Test, don't guess
An at-home stool test measures five areas:
- Digestion
- Inflammation
- Microbiome balance
- Metabolic markers
- Infections
03
Get your plan
Your dietitian walks you through your results and builds a personalized nutrition and supplement protocol.

What a stool test shows, and what it doesn't →

Find your path to better gut health.

Every program starts with functional testing, so your plan addresses the root cause, not just the symptoms.

For adults
Gut Health
Bloating, IBS-type symptoms, skin, fatigue or weight that won't move.
- GI-MAP stool test
- 2 1:1 consults with an RD
- Personalized written protocol
From $995
See gut program
For women
Hormones & Fertility
Cycles, PCOS, perimenopause and preparing for pregnancy.
- DUTCH + GI-MAP tests
- 3 1:1 consults with an RD
- Personalized written protocol
From $1,595
See hormone program
For women
Vaginal Health
Recurring discomfort or post-antibiotic concerns.
- DNA microbiome test
- 1 results session with an RD (45 min)
- Personalized written protocol
From $495
See vaginal program
For kids, ages 0–17
Kids' Gut Health
Constipation, tummy aches, picky eating or eczema.
- Gentle at-home testing
- 2 parent + child consults
- Kid-friendly food plan
From $795
See kids' program

Not sure which program fits?
Book a 20-minute evaluation call and we'll point you to the right one. $99, credited in full if you enroll within 14 days.
Compare all programs
Book a $99 evaluation call

The right support for your needs.

Whether you want expert guidance or a more personalized approach, there's a program for you.

Limited spots each quarter
Signature with Ella Davar, RD
Ella Davar, RD · Founder of the Gut-Brain Method™
For people who want the nation's leading gut-health dietitian personally. Three months, a retest to show what changed, three sessions with Ella and weekday messaging.
- Speaker, WEF Davos
- HHS Women's Health Ambassador
- Author, The Foodie Diet
- NYU and Mount Sinai
From $4,500 / 3 payments of $1,550
Work with Ella
Start here
GBM Specialist Program
A registered dietitian trained by Ella
The same method, lab testing and protocols, delivered by a GBM-trained registered dietitian. Two sessions, a written protocol and 30 days of email support.
- Registered dietitian
- Certified in the Gut-Brain Method™
- Same lab testing as Ella
- 30 days of email support
From $495
Work with a gut expert

Real stories. Real transformations.

See how our clients and students have taken meaningful steps toward better gut health.

★★★★★
“Ella took my gut tests and helped me analyze my gut health. I was low in dysbiosis and she prescribed me probiotics based on these tests. She tailored my treatment and that is so great about Ella. Focusing on your symptoms and prescribing the right treatment based on research and your specific needs. Would 100% recommend Ella.”
Gayle Guyardo
TV Host
★★★★★
“I finally started to find the professionals to assist me in digging deeper and heal from the inside. Ella has been an absolute angel! … She has an amazing energy and true caring nature. … Thank you Ella, I am forever grateful for your guidance.”
Melissa Andrews
Google review
★★★★★
“Ella’s Program is incredibly comprehensive. She really helped me understand how crucial gut health is to achieving optimal metabolism.”
Jen Selter
Celebrity Fitness Model
★★★★★
“Ella didn’t just guide me on what to eat; she illuminated the path to optimal health, emphasizing the powers of food. With her, I’ve not only regained control over my health and body but also gained a wealth of knowledge.”
Tristan Anderson
Google review
★★★★★
“Her program is so comprehensive … I learned a lot about digestion, inflammation, metabolic balance …”
Natalie Lefevre
Longevity Expert
★★★★★
“I am more confident both with how to care for my body and how I feel about my body. … I got my kids eating healthier!!!!! … I feel more in control of my body. … I’m sleeping better, I have more energy.”
Private client
Message to Ella
★★★★★
“I cannot thank Ella enough for how she has changed my life! She is the first person I have worked with that really personalized everything to ME and my body! … Working with Ella is LIFE CHANGING and worth every penny.”
Alison Bowles
Runway Model

• live online

Learn more. Feel better.

Join our live classes every Friday and discover practical ways to support your gut health.

Join this Friday · $47

or get 4 classes for $147 (save $41)

Got questions? We’ve got answers.

No referral is needed to start. Begin with the free Gut Quiz or a $99 evaluation call. If anything in your history needs a physician, your dietitian will tell you.
Yes. Your kit arrives with simple instructions, and you mail the sample back to the lab.
GI-MAP results have a 7–10 business-day turnaround after the lab receives your sample.Engagements range from two weeks for focused audits to several months for comprehensive transformation.
Programs are cash-pay. We can provide a superbill on request.Yes, we remain actively involved until solutions are fully operational and staff are confident.
Both use the same method, the same lab testing and the same protocols. A GBM-trained registered dietitian guides Specialist programs. Signature programs are led by Ella Davar, RD, for three months and include messaging with her.Our adaptable methodology serves manufacturing, retail, professional services, and public sector entities.
Normal results are useful information too. They help rule things out, and your dietitian builds your plan from what the results do show.