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ZRT

ABOUT US

Advancing wellness through excellence in research, education, and minimally invasive testing.

ZRT Laboratory is a CLIA-certified commercial and research laboratory founded in 1998 by breast cancer researcher David Zava, Ph.D. ZRT Laboratory has pioneered innovative testing methods for hormones, neurotransmitters, heavy metals and more, offering health care professionals convenient testing options in different body fluids including saliva, dried blood spot, dried urine, and serum.

Since it began, ZRT has maintained a singular focus: providing comprehensive and meaningful test results that assist health care providers, and their patients, in making informed treatment decisions.

ZRT is the recognized leader in at-home saliva and dried blood spot collection methods for hormone and wellness testing. We proudly hold the distinction of being the lab that developed dried urine testing for hormones.

While our range of test methodologies and technologies has multiplied over the years, our commitment to end-user simplicity hasn’t wavered.

With 20 years of experience and results from over 10 million tests, health care providers in all 50 states and 96 countries, and organizations worldwide including the CDC, the NIH and many renowned universities, trust ZRT’s unparalleled commitment to quality.

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