Blog — Dried blood spot testing

Urine, serum, plasma, whole blood, red blood cells, feces, hair, fingernails—the list of biological samples used for element testing is long. But choosing the right sample type is one of the most critical decisions in producing results that are clinically meaningful and scientifically valid.

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.

Understanding your hormones is essential for addressing fertility concerns, cycle irregularities, and hormone-related symptoms. This article explains the key differences between Menstrual Cycle Mapping and Fertility Testing, helping you choose the most suitable option based on your goals, symptoms, and the level of insight you need into your reproductive health.

In the ever-evolving landscape of healthcare, personalized and convenient testing solutions are becoming increasingly crucial. ZRT test kits provide a simple and accessible way to collect saliva, dried blood spot, or dried urine samples in the comfort of your home. This blog will guide you through the who, when, and how of ZRT testing, offering insights into hormone, neurotransmitter, and heavy metals & essential elements testing. Who to Test: Candidates for hormone testing are individuals facing a variety of issues, ranging from hormonal imbalances to specific symptoms such as hot flashes, night sweats, decreased sex drive, and more. Neurotransmitter testing...