Dr. Allison Siebecker
SIBO Testing Masterclass
Small Intestinal Bacterial Overgrowth
The number one underlying cause of IBS
with Dr. Allison Siebecker and Hosted by Shivan Sarna
Shivan Sarna
Have you been chasing gut symptoms “forever”?
Have you tried “everything”?
You've been bloated for months. Maybe years. Wondering if you need a colonoscopy or it is some incurable situation? Do you have
Constipation that won't budge no matter what you try? Or diarrhea that keeps you mapping out every bathroom within a five-mile radius?
The pain. The distension. The "I look six months pregnant by dinner" reality that nobody seems to take seriously.
And somewhere along the way, someone mentioned SIBO and maybe getting tested.
Great. But now what?
Do you need a doctor's order?
Which test do you get?
Can you do it at home?
And once you have results—how do you know what they actually mean?
Here's the other tricky part:
The interpretation printed on your lab report? It might be wrong.
Labs use standardized criteria that miss real cases of SIBO every single day. Dr. Allison Siebecker is a true SIBO specialist. She's spent 15 years doing nothing but treating this condition and interprets tests differently.
That difference? It's the difference between finally getting answers... and being told you're "normal" when you're clearly not.
Announcing: The SIBO Testing Masterclass
Everything you need to know about SIBO testing—from ordering your first test to reading results like a specialist.Dr. Siebecker is pulling back the curtain on exactly how she interprets breath tests for patients and practitioners. The same methods that have helped thousands of people finally get accurate diagnoses.
"Testing and retesting greatly increases our success. It takes away guessing
and that always increases success." Dr. Allison Siebecker
- Complete Video Masterclass — Dr. Siebecker walks you through everything, including real test examples showing positive, negative, and commonly missed patterns.
- Answers without studying the materials including the Q&A recording and slides - Just ask. Smart Search pulls the exact answer from the videos and slides.
- Plus 2 hours of Q&A Real questions from patients and practitioners—the tricky patterns, confusing results, and "what about my situation?" moments that don't fit neatly into a lecture. People consistently tell us they're surprised how much they learn from other people's questions.
- Presentation Slides — 48 slides covering interpretation criteria and Dr. Siebecker's specific recommendations.
- The studies referenced with links to each cited study
- Instant Unlimited Access revisit the masterclass anytime.
- Audio Version Listen on the go and absorb the insights without needing screen time.
- 15% off over 20,000+ professional-grade supplements with doctor recommendations
🔒 For your security, all orders are processed on a secured server.
Here's What You'll Learn:
How to actually get tested
Yes, you can order tests yourself—no doctor required. Yes, you can do them at home. Dr. Siebecker reveals four labs that let anyone order lactulose breath tests directly, plus an at-home device that costs the same as one standard test but lets you run unlimited retests.
Which test matches your symptoms
Constipation usually means methane. Diarrhea often means hydrogen or hydrogen sulfide. Alternating between both? Likely a mix. Dr. Siebecker breaks down which test captures which gas type—and why the wrong test gives you the wrong answers.
The interpretation labs get wrong
Labs use 90 minutes as the cutoff for hydrogen. Dr. Siebecker uses a different number of minutes. Why? Because 90 minutes misses patients who clearly have SIBO and respond to treatment.
How to spot hydrogen sulfide SIBO
That "flatline" pattern where nothing shows up? It's not negative. It's often hydrogen sulfide SIBO—a type that causes some of the worst symptoms. Most practitioners miss this completely.
When and why to retest
Retesting within the optimal time frame of treatment is critical. Wait a month (like many gastroenterologists recommend) and you've already started backsliding.
This Masterclass Is For You If:
→ Someone mentioned SIBO testing and you have no idea where to start
→ You've taken a test and don't understand your results
→ You tested "negative" but still have all the symptoms
→ You're a practitioner who wants to stop relying on lab interpretations that miss real cases
→ You need to retest after treatment and want to do it right
“Testing and retesting greatly increases our success. It takes away guessing—and that always increases success.”
Dr. Allison Siebecker
“For years, I’ve just heard over and over again that I have IBS without any real explanation of what that means or treatment options. There have been moments when I felt like my IBS was controlling my entire life. Being introduced to SIBO and other specific gut health issues in this summit has given me hope that I can change my life and live without symptoms. I’m getting a breath test THIS WEEK!”
James
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“The class was extremely thorough. I found affirmation that I have many of the common underlying causes for SIBO. I learned about many more causes I wasn't aware of.”
Betty
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Together, we created these resources to give you the guidance and support we wish we had when we started our own healing journeys. We’ve both been where you are now, and we know exactly how overwhelming it can feel. But we also know there’s a way forward — a clear path to healing that we’re excited to share with you.
Dr. Allison Siebecker
ND, MSOM, LAc
Dr. Siebecker is an award-winning (from her peers) naturopathic doctor who has treated SIBO exclusively for 15 years. She co-created the SIBO treatment algorithm used by practitioners worldwide. She's not teaching theory. She's teaching what actually works—the interpretation methods she uses with real patients who finally got better and practitioners around the world.
Shivan Sarna
Author of Healing SIBO
Shivan Sarna, founder of SIBO SOS® and author of Healing SIBO. After a lifetime of digestive problems, she was diagnosed with SIBO (Small Intestine Bacterial Overgrowth) in 2015. Shivan was so excited to finally have a name for the symptoms that made me miserable – but she was quickly very frustrated by how hard it was to get access to reliable SIBO information, or even an appointment with a doctor who had experience treating SIBO. She set out to get answers about SIBO for herself – but along the way, she met thousands of people who had the same challenges.
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