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

Learn the science of saliva testing, how it measures bioavailable hormones, and why it’s trusted by patients, clinicians, and wellness experts.

The thyroid gland may be small, but it plays a monumental role in maintaining your body’s health. Located in the neck and shaped like a butterfly, this endocrine powerhouse regulates everything from metabolism to mood through the hormones it produces. Yet, thyroid hormone imbalances often go unnoticed—despite affecting millions. According to the American Thyroid Association, more than 12% of the U.S. population will develop a thyroid condition during their lifetime, and up to 60% of those affected may not even know it. These disorders are frequently misdiagnosed or overlooked, often dismissed as symptoms of stress, ageing, or other common conditions....

Saliva hormone testing is one of the most accurate and convenient ways to measure bioavailable hormones — the fraction that is actually active in your body's tissues. Unlike standard blood tests, which measure total hormone levels including protein-bound fractions that cells cannot use, saliva testing captures only the free, unbound hormones that drive real physiological effects. This guide explains how saliva testing works, which hormones it measures, why it is clinically superior for monitoring hormone therapy, and how to choose the right test for your health goals.

The Women’s Health Initiative (WHI) trial cast a long shadow over hormone replacement therapy — but it enrolled women well over a decade past menopause. Two newer trials, ELITE and KEEPS, specifically studied HRT started early in the postmenopausal period. Their findings on cardiovascular health, sexual function, sleep, mood and cognition paint a more nuanced and encouraging picture. Here is what the latest research shows.