Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — estrogen metabolites

Understanding Hormone Metabolism: A Complete Guide to Urinary Hormone Metabolite Testing

Posted by Hormone Lab UK Editorial Team on

Urinary hormone metabolite testing offers a detailed look at how the body processes key hormones, providing valuable insights into balance, stress patterns, sleep cycles, and overall wellness. By examining both parent hormones and their metabolites, this method reveals how effectively the body is breaking down and clearing hormones—helping individuals better understand their unique hormonal rhythms and make more informed lifestyle and wellness choices.

Read more →


Menstrual Cycle Mapping: Guide to Dried Urine Hormone Tests.

Posted by Hormone Lab UK Editorial Team on

  In the complex interplay of hormones shaping a woman's body, the menstrual cycle stands as a dynamic symphony orchestrated by fluctuations in estradiol, progesterone, and luteinizing hormone (LH). Understanding these hormonal rhythms is pivotal, especially for those grappling with irregular cycles, fertility challenges, or cyclic symptoms like PMS and headaches. Fortunately, advancements in testing methodologies have ushered in a game-changer: dried urine testing. Decoding the Menstrual Cycle Estradiol and progesterone, the guardians of reproductive function, dance through a woman's cycle, guiding pivotal events. The follicular phase witnesses estradiol's rise, preparing the uterine lining and nurturing ovarian follicles. This phase...

Read more →


Menstrual Cycle Mapping: Sampling, Hormones and Testing FAQs

Posted by Dr. Alison McAllister on

By Dr. Alison McAllister, ZRT Laboratory This article tackles some frequent questions providers might have regarding the purpose of the testing and who the ideal patient is. TESTING SPECIFICS Why urine testing instead of saliva? Saliva testing is what ZRT was founded on, and we have tested over 1.8 million individuals at this point. We are celebrating 20 years of hormone testing this year! Hurray! We love saliva testing. But, what we don’t love is having you collect every other day for 15 samples. Urine testing has the benefit of a super easy collection – wake up and pee on the...

Read more →


Questions & Answers for Weight Loss Winners & Dieting Downfalls

Posted by Dr. Alyssa Burns-Hill on

Weight loss failure is rarely just about willpower or diet — hormones are almost always involved. In this Q&A, Dr. Alyssa Burns-Hill of ZRT Laboratory tackles the most common questions from people struggling to lose weight despite their best efforts: from thyroid interference by the contraceptive pill and stress-driven cortisol cravings, to estrogen-reducing supplements, natural progesterone for menopause, and why 5-HTP can be a game-changer for mood, sleep and comfort eating.

Read more →