19/11/2025
HOW POOR GUT HEALTH WORSENS PSORIASIS
Your gut isn’t just for digestion — it’s the largest immune organ in the body. Almost 70% of your immune cells sit right along the gut lining. When the gut microbiome becomes imbalanced (a condition called dysbiosis), several things go wrong that directly increase inflammation:
Weakening of the Gut Barrier (“Leaky Gut”)
A healthy microbiome keeps the gut lining tight and strong. But in dysbiosis harmful bacteria overgrow which damage the intestinal lining leading to microscopic gaps (“leaky gut”). Through these gaps, toxins, bacterial fragments (LPS), and undigested food particles enter the blood-stream.
Your immune system sees these as threats and triggers chronic inflammation. This systemic inflammation is known to worsen psoriasis flare-ups.
Over-activation of Immune Cells
A disturbed gut microbiome sends wrong signals to immune cells. It increases inflammatory cytokines (TNF-α, IL-6, IL-17) and reduces regulatory immune cells (T-reg cells) that normally keep inflammation under control. These same inflammatory pathways (especially IL-17) are the main drivers of psoriasis.
So, poor gut health = overactive immune system = worse psoriasis.
Reduced Production of Anti-Inflammatory Compounds
Good gut bacteria produce short-chain fatty acids (SCFAs) like butyrate, which reduce inflammation, strengthen the gut lining and support skin healing. When the good bacteria decline, SCFA levels drop → inflammation increases.
Low butyrate is directly associated with psoriasis severity.
Gut–Skin Axis Dysregulation
Your gut and skin talk to each other through hormones, immune signals, and nerves. Dysbiosis disrupts this communication and causes:
• Increased oxidative stress
• Higher immune reactivity
• Poor detoxification
• Chronic low-grade inflammation
All of this shows up on the skin as redness, scaling, itching, and flare-ups.
In simple terms: A disturbed gut leaks inflammatory triggers + misguides the immune system + reduces anti-inflammatory protection → all of which worsen psoriasis.
Supporting gut health through balanced nutrition, probiotics, and anti-inflammatory herbs can improve immune regulation and help the skin heal better.
Healthy gut. Calmer skin. Better control.