Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — hormone therapy

Understanding Saliva Hormone Testing: Why and How It's Done

Posted by Hormone Lab UK Editorial Team on

   In the realm of healthcare diagnostics, testing for various hormonal levels holds significant importance in understanding an individual's health. Traditionally, blood testing has been the norm for assessing hormone levels. However, the emergence of saliva testing has brought about a new dimension in evaluating hormones. Saliva testing provides a non-invasive and convenient method for individuals to collect their samples, allowing for a more accurate representation of bioavailable hormones – those readily accessible to target tissues. The Significance of Saliva Testing Saliva testing measures the unbound, bioavailable fraction of hormones, which stands in contrast to blood tests that often reflect...

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Topical Testosterone & the U-Shaped Curve

Posted by Dr. Allison Smith on

When it comes to topical testosterone therapy, more is not always better. Dr. Allison Smith of ZRT Laboratory explains the U-shaped curve phenomenon — where both too little and too much testosterone produce the same symptoms — and why starting at low doses and titrating carefully is essential. She also outlines the key markers to check when a man’s testosterone numbers look good on paper but his symptoms persist.

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The Hidden Truth About Hormones And Weight Gain: Your Questions Answered

Posted by Candace Burch on

Eating well and reducing stress but still can’t shift the weight? You’re not alone — and hormones are very likely involved. In this Q&A, Hormone Health Educator Candace Burch of ZRT Laboratory answers the most common questions from women struggling with hormone-related weight gain: from persistently high cortisol and adrenal fatigue, to BHRT monitoring, how long results take, and why testing is essential for getting the dose just right.

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The Progesterone / Estradiol (Pg/E2) Ratio

Posted by Hormone Lab UK Editorial Team on

When sex hormone test results show both oestradiol (E2) and progesterone (Pg) within normal ranges, yet symptoms persist, the Pg/E2 ratio provides a critical additional layer of clinical insight. A low ratio points to oestrogen dominance; a high ratio to progesterone dominance — each requiring a different therapeutic response. This article explains how the ratio is calculated, when it is clinically relevant, and how a real-world case illustrates its practical value.

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