Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — vitamin d and melatonin

Understanding your sleep-related hormone measurements can add useful information to your interest in sleep, daily energy and routine. Advanced sleep hormone testing brings several complementary markers together, showing their measured values at different collection points. The benefit is a structured laboratory profile that adds detail to your own observations about the sampled day.The Advanced Sleep Hormone Test (UDH II) from Hormone Lab UK uses four dried urine collections. It combines a melatonin metabolite, free cortisol, free cortisone, norepinephrine, epinephrine and creatinine measurements, with specialist laboratory interpretation included.A wider view of sleep-related markersThe UDH II profile measures six markers at each...

Vitamin D testing provides a measured view of your vitamin D status, adding useful information to your understanding of nutrition and wellbeing. Rather than estimating your level from time outdoors, food choices or supplement use, you receive a laboratory result from your submitted sample. The main benefit is clarity: a specific measurement you can keep, review and discuss.The Vitamin D Test from Hormone Lab UK measures vitamin D2, vitamin D3 and total 25-hydroxyvitamin D. It combines convenient finger-prick dried blood spot collection with LC-MS/MS laboratory analysis and specialist interpretation.Why vitamin D deserves attentionVitamin D helps the body absorb calcium and...

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.