Leaky Gut and Digestive Wellness Information
This page provides general educational information. It is not medical advice, and it does not provide a diagnosis or a personal course of care.
“Leaky gut,” or intestinal permeability, refers to the idea that the tight junctions sealing the intestinal lining can loosen, allowing substances that would normally stay contained in the gut to pass into the bloodstream. Increased intestinal permeability is a real, measurable phenomenon studied in research settings, and it’s discussed in connection with digestive symptoms, food sensitivities, and broader inflammation. It’s worth knowing that “leaky gut syndrome” as a standalone diagnosis isn’t universally used in mainstream clinical practice the way it is in wellness circles — the underlying physiology is real, but how it’s framed varies.
When professional advice matters
See a doctor for persistent digestive symptoms, unexplained fatigue, new food sensitivities, or symptoms that suggest an autoimmune process, since these can have several possible causes that deserve proper testing rather than a single assumed explanation.
Everyday wellness questions
Diet patterns, recent antibiotic use, chronic stress levels, and any symptoms outside the gut (skin, joints, energy, mood) are useful to bring up, since leaky gut is often discussed as connected to issues well beyond digestion.
Explore digestive wellness topics
Here’s what we’ve written on leaky gut and related questions:
- Natural supplement approaches people research for leaky gut
- Alternatives people research alongside prescription treatment
- Gut lining repair specifically, and what that process generally involves
- The “heal and seal” framing that’s common in this space
- L-glutamine, probably the most well-known supplement in this category, and how it compares to other approaches
- The connection some research draws between gut permeability and autoimmune disease
- How leaky gut and inflammation are thought to feed into each other
- Brain fog, one of the less obvious symptoms people associate with gut permeability
- Food sensitivities and their frequently discussed link to gut barrier function
- A closer look at evaluating leaky gut supplements, since it’s a crowded and not always well-substantiated category
About Tarsul
Tarsul is a dietary supplement containing cream of tartar and MSM sulfur. It is not a substitute for individualized medical care or prescribed medicine. Follow the current product label for ingredients, directions, and warnings.
How to Choose a Digestive Support Supplement For Leaky Gut? — a longer read covering what to look for, how the ingredients work, and when to see a doctor.
Common questions
Increased intestinal permeability is a studied, measurable phenomenon in research. “Leaky gut syndrome” as a standalone clinical diagnosis is used more in integrative and functional medicine than in mainstream gastroenterology — worth asking your own clinician how they view it.
They’re related concepts but not the same thing — IBS is a specific pattern of symptoms and bowel habits, while leaky gut refers to the physical permeability of the intestinal lining. Some people have both, and the two are often discussed together.
Reported timelines vary widely depending on the individual and the approach, ranging from a few weeks for initial changes to several months for more complete repair. There’s no single validated timeline that applies to everyone.
For general product questions, contact Tarsul. For product directions and safety information, review the Tarsul Product Directions and Safety Information page, or see current product options.
Tarsul contains just two things. Cream of tartar is a concentrated potassium source — how much potassium, and who should check with a doctor first, is covered there. MSM sulfur covers what the human research does and does not show, plus dosage and side effects.
About this page — last reviewed September 2026
Published by Tarsul, a family-run dietary supplement company operating from San Diego, California since 2010. Written and reviewed in-house by Russ Guillemot, founder, drawing on fifteen years of direct correspondence with customers and wholesale accounts. We are not physicians and nothing here is a diagnosis or a course of treatment.
Where we reference published research we name the authors and the journal so you can look it up yourself. Where something is a common observation rather than a finding, we say so plainly. If a claim cannot be sourced, we leave it out.
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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.