Blog — preventive health testing
What’s the Difference Between (EIA), (ECLIA), (LC-MS, GC-MS, ICP-MS) Hormone Testing Methods?
Posted by Behcet Bicakci on
Learn the key differences between EIA, ECLIA, and mass spectrometry hormone testing methods, and discover why ZRT Laboratory’s long-standing use of LC-MS, GC-MS, and ICP-MS delivers gold-standard accuracy for advanced hormone analysis.
The Science of Saliva Testing: A Modern Approach to Hormone and Health Assessment
Posted by Behcet Bicakci on
Learn the science of saliva testing, how it measures bioavailable hormones, and why it’s trusted by patients, clinicians, and wellness experts.
Insulin Fasting Test: A Simple Way to Check Your Insulin Health
Posted by Behcet Bicakci on
A fasting insulin test helps identify early signs of insulin resistance, often before blood sugar levels become abnormal. By measuring insulin after an overnight fast, it provides valuable insight into metabolic health, energy balance, and long-term risks such as diabetes and heart disease. Easy at-home testing with a simple finger-prick sample allows you to understand your insulin levels clearly and take proactive steps to protect your health.