Blog — ZRT Laboratory

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 powerful benefits of neurotransmitters test, how it detects chemical imbalances in the brain, improves mood, focus, sleep, and guides personalized treatments for lasting mental and physical wellness.

Saliva Testing for Hormones: Accurate, Convenient, and At-Home.

Stress is something nearly all of us experience — in fact, 55% of Americans report feeling stressed daily, and the majority cite work or school as the primary cause. Among U.S. employees, a staggering 83% experience work-related stress, while students, from middle school to college, are increasingly feeling the pressure too. A significant number of college students even consider dropping out due to emotional strain.

Explore the vital role of estrogen in perimenopause, its impact on mood, sleep, heart and bone health, and the latest research on hormone therapy options.