New Ways of Understanding and Treating SIBO with Dr. Allison Siebecker | Rational Wellness Podcast 469

New Research and Clinical Updates on SIBO: Methane, Hydrogen Sulfide, Elemental Diet, Herbs, Probiotics, and Testing with Dr. Allison Siebecker

Dr. Ben Weitz interviews Dr. Allison Siebecker on major updates in understanding and treating SIBO/IMO, drawing from new DDW conference findings. Highlights include a methane-targeting enzyme inhibitor drug (CS06) that rapidly lowers methane without acting as an antibiotic; a delayed-release NAC plus rifaximin formulation that improves outcomes and may allow lower rifaximin dosing; and a new elemental diet formulation (MBiota) reported to reach up to 100% eradication in one study and improve IBS symptoms. They discuss a new herbal study on GI Ally (allicin, neem, pomegranate) using FoodMarble for frequent gas tracking, plus emerging FoodMarble research (low FODMAP adherence, menstrual-cycle effects on methane). Additional topics include a probiotic/prebiotic review suggesting higher success rates, Iberogast’s reported prebiotic/anti-inflammatory effects, breath-test validation via endoscopic gas sampling, interpretation nuances for constipation and methane thresholds, GLP-1–associated SIBO risk and testing challenges, and links among SIBO, histamine intolerance, mold illness, and motility strategies.

00:00 Show Intro and Mission

00:59 Meet Dr Allison Siebecker

02:42 Methane Drug Breakthrough

06:49 Rifaximin Plus NAC Strategy

10:55 Elemental Diet Updates

16:35 Herbal Antibiotic GI Ally

19:44 FoodMarble Breath Testing

24:02 Bloating vs Distention

26:17 Low FODMAP Insights

29:20 Probiotics and Prebiotics

39:19 Adjuncts Bile and HCl

42:13 Next Natural Treatments

42:26 MSM Reality Check

44:37 Butyrate and Iberogast

47:53 Where to Buy Iberogast

49:08 Breath Test Controversy

52:29 Three Hour Testing

57:38 Methane Cutoffs Update

59:19 Antibiotics and Microbiome

01:01:36 Food Poisoning Antibody Cure

01:04:03 Histamine MCAS and Mold

01:08:43 Motility Devices and Vagus

01:11:41 GLP1s and SIBO Risk

Dr. Allison Siebecker is a Naturopathic Doctor and Acupuncturist who specializes in the treatment of Small Intestinal Bacterial Overgrowth and she teaches advanced gastroenterology at the National University of Natural Medicine. She has the most incredible resource of research articles and information about SIBO, siboinfo.com. Dr. Siebecker has been participating in the SIBO SOS program, which is this incredible resource of courses and information about SIBO.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.