Collection: ZRT Laboratory

With 20 years of experience and results from over 8 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.

A home-collection hormone and wellness test

Maryland State residents:

MD State health law prohibits ZRT Laboratory from processing Internet orders for Maryland State residents at this time. Please contact ZRT Laboratory Customer Service at 1-866-600-1636 for more information.

New York State residents:

NY State health law prohibits ZRT Laboratory from processing Internet orders for New York State residents at this time. Please contact ZRT Laboratory Customer Service at 1-866-600-1636 for more information.

All Testers:

ZRT is a CLIA certified lab that provides the service of collecting and analyzing specimen samples. You will be submitting health information and ordering tests for informational purposes only. ZRT has a contracted licensed physician who will review your request and authorize the testing service you are purchasing. You are responsible for taking the test to your primary care physician for any additional interpretation and neither the physician authorizing the test, nor ZRT, are diagnosing or treating any condition through your use of this service.

42 products
  • Diurnal Cortisol (CX4) - At Home Saliva Test Kit
    Diurnal Cortisol (CX4) - At Home Saliva Test Kit
    Regular price
    $135.00
    Sale price
    $135.00
  • Insulin-Like Growth Factor I (IGF-1)-Blood Spot Test Kit ZRT Lab
    Insulin-Like Growth Factor I (IGF-1)-Blood Spot Test Kit ZRT Lab
    Regular price
    $70.00
    Sale price
    $70.00
  • Adrenal Stress Profile DS, Cx4-Saliva Test Kit ZRT Lab
    Adrenal Stress Profile DS, Cx4-Saliva Test Kit ZRT Lab
    Regular price
    $170.00
    Sale price
    $170.00
  • Iodine Panel Iodine (I) (Dried Urine Test)
    Iodine Panel Iodine (I) (Dried Urine Test)
    Regular price
    $80.00
    Sale price
    $80.00
  • Metals & Nutrients – Urine Profile Dried Urine: I, Se, Br, Li, As, Cd, Hg, Crtn
    Metals & Nutrients – Urine Profile Dried Urine: I, Se, Br, Li, As, Cd, Hg, Crtn
    Regular price
    $129.00
    Sale price
    $129.00
  • Menstrual Cycle Mapping
    Menstrual Cycle Mapping
    Regular price
    $469.00
    Sale price
    $469.00
  • Comprehensive Male Profile I - Saliva+Blood Multi Test Kit (ZRTLab)
    Comprehensive Male Profile I - Saliva+Blood Multi Test Kit (ZRTLab)
    Regular price
    $345.00
    Sale price
    $345.00
  • Free Thyroxine (fT4)-Blood Spot Test Kit (ZRTLab)
    Free Thyroxine (fT4)-Blood Spot Test Kit (ZRTLab)
    Regular price
    $65.00
    Sale price
    $65.00