Most hormones are produced by a group of glands known collectively as the endocrine system.
Though these glands are located throughout the body, they are considered a single system because of their similar functions.
Read more about health concerns:
All other ZRT Laboratory test kit orders:
To maintain our commitment to lab testing made simple, we provide a series of short instructional videos and downloadable instructions that show how to properly collect your saliva, dried blood spot or dried urine sample.
For more routine inquiries, we provide a wide range of answers for frequently asked questions. Popular topics include:
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Our hormone testing is available in a selection of specialty profiles. Each profile is geared to specific health conditions, such as:
Minimally-invasive hormone testing is the hallmark of ZRT Laboratory.