Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — vitamin D deficiency

The MediCARE Specialized Blood Spot Test uses advanced dried blood spot technology to deliver accurate, Medicare-eligible insights into hormone balance, cardiometabolic risk, heavy metal exposure, and Vitamin D status—using a simple, at-home finger-prick sample with laboratory-grade reliability.

A comprehensive guide to understanding hormone health—from adrenal function and thyroid balance to menopause, andropause, metabolism, and reproductive wellness. Learn how hormonal imbalances develop, how they affect energy, mood, weight, and overall wellbeing, and how modern testing methods like saliva, blood spot, and bioidentical therapies can support personalised health and long-term vitality.

The UK is facing a growing obesity crisis, with two-thirds of adults and a rising number of children classified as overweight or obese. A recent UK Parliament briefing highlights alarming trends, including regional and ethnic disparities and increased risks linked to socioeconomic status. While public health strategies continue to evolve, addressing the hormonal root of weight gain may offer a more effective, personalized solution. ZRT Laboratory’s Weight Management Profile helps uncover hidden hormonal imbalances—such as elevated cortisol, low testosterone, or thyroid dysfunction—that contribute to stubborn fat gain, poor metabolism, and increased disease risk.

Did you know that low vitamin D could be disrupting your sleep? Research shows that vitamin D plays a key role in serotonin and melatonin production — the hormones that regulate your sleep-wake cycle. Dr. Kate Placzek explores the science behind the vitamin D–sleep connection, what else low vitamin D affects, and how to find out if deficiency is at the root of your sleep problems.

Had your vitamin D tested and left confused by the result? You are not alone. Different agencies have different opinions on what counts as deficient, sufficient or optimal — and the gap between “normal” and “optimal” matters more than most people realise. Dr. Jillian Harrington breaks down the reference ranges, explains what your result actually means, and outlines how to work towards the level that is right for your health.