387: Hydrogen Sulfide Small Intestine Bacterial Overgrowth (Diet, Symptoms, SIBO Testing Challenges, Treatments) w/ Dr. Allison Siebecker, ND

The Healthy Skin Show · Jun 5, 2025 · 50m

Think you might have IBS or Small Intestine Bacterial Overgrowth—but diet changes aren’t helping?

There’s a lesser-known type of SIBO that’s often missed: Hydrogen Sulfide SIBO.

Unlike the hydrogen or methane types, hydrogen sulfide is a neurotoxin that can trigger strange symptoms—like nerve pain, bladder irritation, or even fibromyalgia-like pain. It also plays a major role in the gut-skin connection.

But it often doesn’t show up on standard SIBO tests, making it hard to diagnose.

I’m joined by Dr. Allison Siebecker (renown SIBO expert) to dive into this complex gut issue that can also play…