Blog — Estrogen Dominance

Hormones influence everything from energy and mood to weight, sleep, skin, and long-term health — yet imbalances often go unnoticed. This in-depth guide explains how hormones work, the most common signs of imbalance, and why testing is essential for understanding your body. Learn how cortisol, thyroid hormones, estrogen, progesterone, testosterone, and insulin shape your wellbeing, and discover practical steps to restore balance naturally through personalised testing, nutrition, lifestyle changes, and targeted support. This is your complete roadmap to understanding and improving your hormonal health.

Discover the benefits of hormone testing in saliva, dried blood spot, and dried urine spot methods. Learn how each approach enhances accuracy, convenience, and health insights for hormone balance.

When Hormones Shape the Mind Hormones are powerful chemical messengers that quietly influence not only our bodies but also our thoughts and emotions. While neurotransmitters like serotonin and dopamine often get the spotlight for controlling mood, science now shows that hormones can have just as much impact on mental well-being. 1. The Emotional Swing of Oestrogen and Progesterone Women often experience emotional changes before menstruation, after childbirth, or during menopause. These phases involve major shifts in oestrogen and progesterone. Before menstruation: Falling oestrogen can lower serotonin, leading to irritability or sadness. After childbirth: A sudden hormone drop can trigger postpartum...

By Dr. Sherry LaBeck of ZRT Lab Perimenopause is the transition between a woman's reproductive years and menopause, characterized by a decline in estrogen levels, which can lead to physical and emotional symptoms. Understanding the role of estrogen during this phase is essential for managing symptoms and improving the quality of life for women going through this transition. What is Perimenopause? Perimenopause typically begins in a woman's 40s, though some may experience symptoms as early as their mid-30s, which is known as premature menopause. During this phase, the ovaries produce less estrogen until menstruation stops, marking the onset of menopause....

By ZRT Laboratory Consultants.  Menopause can be a confusing time for many women and their families, and as a society we tend to steer away from having open, honest conversations about this very important transition in a woman’s life. At ZRT, we aim to change that and equip all women with the tools and resources necessary to maintain optimal health during their menopause transition and after. In this post, ZRT’s Clinical Consultants tackle the most commonly asked questions and misunderstandings about menopause from patients. What Age Does Menopause Occur? Menopause is defined as the natural absence of menstrual periods for...