Why isn’t my leaky gut healing with supplements?
Leaky gut often does not improve with supplements because the barrier is still being disrupted by something upstream. Chronic stress, regular NSAID use, processed-food emulsifiers, dysbiosis, or poor sequencing can keep the lining under pressure. Supplements may support repair, but they work better after the ongoing source of damage is identified and reduced.
The Barrier Cannot Repair While the Damage Continues
The gut lining is an active barrier. Tight junctions help decide what gets absorbed and what stays out.
When those junctions become more permeable, bacterial fragments, partially digested food, and other compounds can cross the barrier and trigger immune activity beyond the gut.
This is where the thinking around leaky gut often stops too early. The focus shifts immediately to what to add, while the thing continuing to disrupt the barrier may still be present.
The video highlights chronic stress, regular NSAID use, certain processed-food emulsifiers, and dysbiosis as common examples. Trying to repair the lining without addressing those pressures is like patching a hole while the water is still running.
Repair Requires More Than One Ingredient
Different gut-support tools do different jobs.
Prebiotic fibers feed gut bacteria that produce compounds such as butyrate. Butyrate helps support tight junction proteins and provides fuel for cells lining the colon.
Bovine colostrum may support barrier integrity, immune regulation at the gut surface, and mucosal repair. Bone broth provides amino acids and structural materials that can support the lining while deeper repair is taking place.
None of those inputs is a complete answer by itself. They support different parts of the same repair environment.
Probiotics Can Be Useful at the Wrong Time
Probiotics are one of the clearest examples of why sequencing matters.
Research discussed in the video shows that probiotics and prebiotics can improve markers related to intestinal permeability, but results vary by strain, dose, and the microbial environment already present.
If significant bacterial or yeast overgrowth is part of the picture, adding probiotics first may create inconsistent results or make symptoms feel worse.
The useful question is not simply whether probiotics work. It is whether the microbial environment is ready for that particular input.
Start With What Is Working Against the Barrier
The order matters.
First, identify what may still be disrupting the gut barrier. Then build the environment for repair with foundational inputs such as prebiotic foods, fermented foods, bone broth, polyphenol-rich foods, and movement. More targeted tools such as colostrum or specific probiotics can be layered in when the pattern supports them.
As a functional medicine practitioner, this is where objective testing can become useful. A stool panel, inflammatory markers, or permeability testing can sometimes clarify whether dysbiosis, inflammation, or another barrier problem is still active.
The goal is not to keep adding supplements. It is to understand what the gut needs, in what order, and what may still be preventing repair.
Additional Resources:
- If you want the broader repair framework, What actually heals the leaky gut barrier? explains why stress response, microbiome balance, and nutrient support have to be considered together.
- When probiotics are the main thing you have been trying, Are probiotics and gut supplements worth it or just marketing hype? shows why strain, dose, timing, and the existing gut environment matter.
- In Top Ways to Help Heal Leaky Gut (And Why They Work), Dr. Kenny explains why removing ongoing barrier disruptors and getting the sequence right matters before adding more gut supplements.
- This 2024 review explains how butyrate helps maintain the gut barrier by supporting tight junctions and serving as an important fuel source for colon cells.
Ready to understand what may still be preventing your gut from healing?
Answered by Dr. Kenny Mittelstadt, DACM, DC, FMCP
Functional medicine practitioner and Root Cause Health Detective helping people uncover the hidden patterns behind fatigue, gut issues, hormone imbalances, and other unresolved health mysteries.