It’s time to beat SIBO & IBS for good.

We are your trusted resource for education and products to support digestive health.



Small intestinal bacterial overgrowth (SIBO) is complex and confusing.

Patients are routinely given misinformation and improper treatments. Even the most highly skilled practitioners can become overwhelmed and struggle to help patients with SIBO. 

We have proven methods that work. Backed by decades of clinical experience and expertise, we’ll help you make sense of SIBO, IBS, and other functional digestive disorders.

11% of people world-wide have IBS
Up to 80% of people with IBS have SIBO
50% of patients struggle with relapse flares

How We Help

The SIBO Doctor provides educational resources, programs, and products related to SIBO, IBS, and other functional digestive disorders.  Everything we do is either created or curated by Dr. Nirala Jacobi, ND, an internationally recognized leader in SIBO education.  Our programs and products are thoroughly researched and backed by the latest science. They are guided by 20+ years of clinical experience. They are accessible to patients and practitioners worldwide. 

Dr Nirala Jacobi, BHSc ND (USA)

SIBO Bi-Phasic Diet
Get symptom relief with this 3-month dietary protocol.

The SIBO Success Plan

SIBO Success Plan
Learn self-care techniques with this
8-lesson online program.


SIBO Testing
Order at-home SIBO breath test
from our partners

Dr Jacobi Digestive Bitters -

Bi-Phasic Supplements
Dr. Jacobi’s exclusive dietary
supplements to complement the diet.

Explore Our Online Courses

The SIBO Success Plan

The SIBO Success Plan (for patients)
This 8-week program will empower patients with a solid understanding of SIBO. Learn how to manage your symptoms and prevent them from coming back.

The SIBO Mastery Program (for practitioners)
This 3-step program will give practitioners the tools and confidence to take on the most complicated SIBO cases. Become a SIBO-Doctor-Approved Practitioner and re-energize your practice.

Comprehensive practitioner trainings
Brought to you from leading experts in the field of gastrointestinal health, we have courses on topics that range from restoring the microbiome to mastering IBD to performing a functional GI exam. You’ll find everything you need to become the gut health expert your patients need.

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