Secretory IgA

ABOUT THIS TEST 

Secretory IgA is one of the most important immune markers in the gut. It gives insight into your
gut’s immune strength and how well your body is defending the gut lining.

This is useful in people with chronic digestive issues, food reactions, fatigue, or immune
depletion patterns.

• GP-led review
• Clear guidance on next steps 

What This Supports

• Gut immune defence strength
• Stress-related immune depletion patterns
• Inflammation-driven immune activation patterns
• Mood and nervous system wellbeing
• Gut lining resilience markers