Blog — estrogen testing

The human microbiome and the endocrine system are deeply interconnected, engaging in a complex two-way conversation that influences everything from mood to metabolism. One of the most fascinating areas of this interaction centers on estrogen and the gut—a relationship governed by what’s now known as the estrobolome.

Hormone testing is a critical tool in modern healthcare, guiding everything from fertility treatment to hormone replacement therapy. While blood testing has long been the traditional route, saliva testing has rapidly emerged as a scientifically validated, convenient, and non-invasive alternative—offering clinical accuracy with ease of use. But how reliable is it really?  The Scientific Foundation of Saliva Testing Saliva testing isn't just a novel idea—it's backed by science. Over 600 peer-reviewed studies in 2012 alone have utilised salivary analysis to measure hormone levels, with results showing a strong correlation to conventional serum (blood) tests. So, how does it work? In the bloodstream,...