Blog — functional medicine testing

The Science and Simplicity of the MediCARE Specialized Blood Spot Test

Posted by Behcet Bicakci on

The MediCARE Specialized Blood Spot Test uses advanced dried blood spot technology to deliver accurate, Medicare-eligible insights into hormone balance, cardiometabolic risk, heavy metal exposure, and Vitamin D status—using a simple, at-home finger-prick sample with laboratory-grade reliability.

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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.

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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.

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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.

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Understanding Estrogen's Vital Role in Perimenopause

Posted by Behcet Bicakci on

Perimenopause is a natural transition marked by fluctuating estrogen levels that can trigger hot flashes, mood changes, sleep disturbances, weight gain, and cognitive shifts. Understanding how estrogen supports the heart, bones, brain, and emotional well-being is essential for managing symptoms effectively. This article explores estrogen’s vital role, the science behind perimenopausal changes, treatment options including HRT and non-hormonal approaches, and the cultural history shaping how women experience menopause today. Convenient at-home hormone testing can also provide valuable insight and empower women to take control of their health during this transformative stage.

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