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Ground breaking research into how the microbiome influences hormonal health
L-R Dr Eimear Gleeson, PhD.; Professor Siobhain O’Mahony, PhD.; Dr Mariarosaria Cuozzo, PhD.;

Who we are

We are a team of scientists on a mission to understand how the gut microbiome responds during periods of hormonal change. Led by Dr Siobhain O’Mahony, FemmeBiomeTM will explore changes in the gut microbiome during perimenopause and menopause and how these changes are linked to symptoms and risk of disease. Our goal is to develop scientifically backed, clinically validated interventions to improve women’s overall health and wellbeing.

L-R Dr Eimear Gleeson, PhD.; Professor Siobhain O’Mahony, PhD.; Dr Mariarosaria Cuozzo, PhD.;

Half of the world’s population will experience menopause

By the year 2030 almost 1 billion women will be in perimenopause or the post-menopausal phase. Over 40 different symptoms have been described which can have a profound impact on women’s quality of life, performance at work and personal relationships.

Scientific research into menopause is vital to help women understand and manage symptoms and health risks associated with this phase of life.  

The Gut Microbiome

The gut microbiome is a collection of microorganisms that exist within our bowel and are linked to essential functions of the body including brian health and hormonal regulation.
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Blog post

The GABA Connection: Hormones, Mood, and Menopause

Claire O'Connor - 8 October, 2025
What is GABA? Gamma-amino butyric acid (GABA) is the main inhibitory neurotransmitter of the central nervous system, which plays a role in calming neural excitability, reducing anxiety and supporting stress resilience. Dysregulation of the GABA system is linked to insomnia and anxiety. Interestingly, GABA has…

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