Gut Health in Autoimmune Conditions

Why the gut is often the missing link in autoimmunity—and how to support it

The Gut-Autoimmune Connection

Over 70% of the immune system lives in and around the gut. That means when the gut is inflamed, leaky, or imbalanced, the immune system often becomes overactive—triggering or worsening autoimmune conditions.

Gut issues may not cause autoimmunity alone, but they contribute to the “perfect storm” of immune dysfunction. For many people, healing the gut leads to fewer flares, better symptom control, and less medication reliance.

Key Gut Imbalances Found in Autoimmunity

1. Leaky Gut (Intestinal Permeability)
   • Allows undigested food particles and toxins into the bloodstream
   • Triggers immune confusion and chronic inflammation
3. Dysbiosis
   • Too few good bacteria, too many harmful microbes
   • Promotes inflammation and weakens gut lining
5. Poor Digestive Function
   • Low stomach acid or enzymes = poor nutrient absorption
   • Encourages overgrowths like Candida, SIBO, or parasites
7. Chronic Inflammation
   • Constant gut irritation keeps immune system on high alert
   • May worsen autoimmune activity over time

Common Autoimmune Conditions Linked to Gut Imbalance

• Hashimoto’s thyroiditis
• Rheumatoid arthritis
• Lupus
• Psoriasis
• Multiple sclerosis