
Leaky Gut: The Hidden Cause of Your Fatigue, Bloating, and Brain Fog
Many people experience persistent bloating, fatigue, brain fog, and food sensitivities without realizing these symptoms could stem from an underlying gut issue. They may try different diets, medications, or lifestyle changes but continue to feel unwell. Often, they are told their symptoms are due to stress, aging, or simply bad luck. But what if there was a deeper root cause?
Leaky gut, or increased intestinal permeability, is an often-overlooked condition where the tight junctions in the gut lining become compromised. This allows undigested food particles, toxins, and pathogens to enter the bloodstream, triggering inflammation and immune dysfunction. Research increasingly validates the connection between leaky gut and chronic health issues, including autoimmune diseases, metabolic disorders, and neurological dysfunctions.

Symptoms of Leaky Gut
The signs of leaky gut often masquerade as common ailments, making it easy to overlook. These include:
Digestive Issues: Bloating, gas, diarrhea, constipation, and acid reflux
Chronic Fatigue: Persistent low energy, despite adequate sleep
Brain Fog & Mood Disorders: Poor concentration, anxiety, and depression
Food Sensitivities & Allergies: New or worsening intolerances to dairy, gluten, or other foods
Joint Pain & Muscle Aches: Inflammation-related discomfort
Skin Problems: Eczema, psoriasis, rosacea, or persistent acne
Autoimmune Conditions: Hashimoto’s, rheumatoid arthritis, lupus, and others linked to gut dysfunction
Nutritional Deficiencies: Low levels of iron, B vitamins, magnesium, and zinc due to impaired absorption

What Causes Leaky Gut?
A variety of factors contribute to increased intestinal permeability, including:
Poor Diet: A diet high in processed foods, refined sugars, and unhealthy fats damages the gut lining over time. Gluten, for example, has been shown to trigger zonulin release, which increases gut permeability. Food additives, preservatives, and artificial sweeteners can also disrupt gut flora, leading to an imbalanced microbiome that weakens intestinal integrity.
Chronic Stress: Prolonged stress leads to elevated cortisol levels, which not only weaken the immune system but also reduce the production of protective mucus in the gut. This makes the gut lining more vulnerable to damage and inflammation.
Dysbiosis (Imbalanced Gut Bacteria): Antibiotic overuse, poor diet, and infections can lead to an overgrowth of harmful bacteria or yeast, like Candida. This imbalance creates inflammation and increases permeability.
Environmental Toxins: Pesticides, heavy metals, and endocrine-disrupting chemicals can contribute to inflammation and gut permeability. Reducing toxin exposure through organic food choices and clean household products can significantly support gut health.
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): Frequent use of pain relievers like ibuprofen and aspirin damages the gut lining and increases permeability.
Intestinal Infections: Bacterial, viral, or parasitic infections can directly damage the gut lining. Conditions like SIBO (Small Intestinal Bacterial Overgrowth) and H. pylori infections are common contributors.
Food Sensitivities: Consistently consuming foods that trigger an immune response—such as gluten, dairy, soy, and processed seed oils—can lead to chronic low-grade inflammation in the gut.
Functional Tests for Identifying Leaky Gut
Conventional medicine lacks direct tests for leaky gut, but functional medicine offers several diagnostic tools:
Zonulin Test: Measures levels of zonulin, a protein regulating tight junctions.
Lactulose-Mannitol Test: Assesses how well the intestines prevent sugar molecules from passing into the bloodstream.
Comprehensive Stool Analysis: Identifies markers of gut inflammation, dysbiosis, and potential infections.
Food Sensitivity Panels: Tests for immune reactions to common trigger foods.
LPS (Lipopolysaccharides) Test: Detects endotoxins that indicate bacterial translocation.

The Multi-Faceted Approach For Healing Leaky Gut
Healing the gut requires a multi-faceted approach addressing diet, lifestyle, and supplementation. The 5R Protocol is a foundational strategy:
Remove: Eliminate inflammatory foods (gluten, dairy, sugar, processed foods) and potential infections (SIBO, Candida, parasites).
Replace: Support digestion with stomach acid (HCl), digestive enzymes, and bile acids.
Reinoculate: Restore healthy gut flora with probiotics and prebiotics.
Repair: Use gut-healing nutrients like L-glutamine, collagen, zinc carnosine, and aloe vera.
Rebalance: Address stress, sleep, and lifestyle factors that impact gut health.
If left unchecked, leaky gut can lead to more serious health concerns. Understanding leaky gut isn’t just about treating symptoms; it’s about restoring systemic health. By addressing the root causes and implementing personalized protocols, we can help you reclaim your health and vitality.
Book a Consultation
If you are struggling with any of the symptoms mentioned, it’s time to take control of your health. Schedule a consultation with Dr. George Janji at Precision Health LA. Together, we’ll create a personalized plan to heal your gut and restore your well-being.
📞 (747) 207-4476 📧 [email protected] 🌐 PHLA.com/book-now
References
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Hasan N, Yang H. Factors affecting the composition of the gut microbiota, and its modulation. PeerJ. 2019 Aug 16;7:e7502. doi: 10.7717/peerj.7502. PMID: 31440436; PMCID: PMC6699480. https://pmc.ncbi.nlm.nih.gov/articles/PMC6699480/
Odenwald MA, Turner JR. Intestinal permeability defects: is it time to treat? Clin Gastroenterol Hepatol. 2013 Sep;11(9):1075-83. doi: 10.1016/j.cgh.2013.07.001. Epub 2013 Jul 12. PMID: 23851019; PMCID: PMC3758766. https://pubmed.ncbi.nlm.nih.gov/23851019/
Fasano A. Leaky gut and autoimmune diseases. Clin Rev Allergy Immunol. 2012 Feb;42(1):71-8. doi: 10.1007/s12016-011-8291-x. PMID: 22109896.
Bischoff SC, Barbara G, Buurman W, Ockhuizen T, Schulzke JD, Serino M, Tilg H, Watson A, Wells JM. Intestinal permeability--a new target for disease prevention and therapy. BMC Gastroenterol. 2014 Nov 18;14:189. doi: 10.1186/s12876-014-0189-7. PMID: 25407511; PMCID: PMC4253991.