The Influence of Bacteria in the Urinary Tract – Mary Cotter


July 29, 2026

In this clinician insight session, registered nutritional therapist Mary Cotter shares her holistic framework for addressing recurrent and chronic urinary tract infections. Drawing from her personal history with urinary health challenges, Cotter emphasizes looking beyond localized symptoms to evaluate the body as an interconnected system. She discusses utilizing advanced PCR and next-generation sequencing tests to evaluate the urinary microbiome, including beneficial commensal bacteria. Her therapeutic approach incorporates targeted antimicrobials, probiotic replenishment, immune fortification via optimal vitamin D and zinc levels, and nervous system regulation to address pelvic floor hypertonicity. Cotter cautions against extreme dietary restrictions, encouraging patients to use nutrient-dense whole foods to rebuild systemic resilience.

Key Take Aways

Personal Experience Drives Clinical Practice


Personal struggles with chronic urinary issues inspired Cotter to specialize in nutritional therapy.

Advanced Testing Reveals Urinary Microbiome


Molecular testing options evaluate both pathogenic and beneficial bacteria within the bladder.

Immune Support Prevents Disease Recurrence


Optimal levels of vitamin D and zinc strengthen natural defenses against recurrent infections.

Nervous System Calming Reduces Pain


Targeted nutrients and minerals soothe the nervous system to relax hypertonic pelvic muscles.

Probiotics Help Crowd Out Pathogens


Introducing beneficial bacteria through supplements and fermented foods supports urinary ecosystem balance.

Avoid Fear-Based Extreme Dietary Restrictions


Unnecessary food elimination leads to nutrient depletion, ultimately worsening overall health and recovery.
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Molly Bradbury

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Senior Research Associate

Molly is a Health Psychology researcher and PhD candidate at the University of Reading. She is passionate about improving women's health through evidence-based research, patient education, and reducing stigma to help create better patient outcomes.

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