ZRT Laboratory

• Diagnostic Service/Laboratories

Since the beginning, ZRT has maintained a singular focus: helping people get and stay healthy.

With 20 years of experience and results from over 11 million tests, ZRT Laboratory is a recognized leader in innovative, safe, and meaningful hormone and wellness testing. Individuals, health care providers in all 50 states and 96 countries, and research teams worldwide use our tests, including the Centers for Disease Control and Prevention, the National Institutes of Health and many renowned universities.

Headquartered in Portland, Oregon, ZRT is the recognized innovator of saliva, dried blood spot and dried urine testing methodologies.