Vitamin D 25-OH, Total D2, D3-Blood Spot Test Kit ZRT Lab - HrtORG
Vitamin D 25-OH, Total D2, D3-Blood Spot Test Kit ZRT Lab - HrtORG

Vitamin D 25-OH, Total D2, D3-Blood Spot Test Kit ZRT Lab

Regular price
$86.00
Sale price
$86.00
Free shipping • In Stock

  • Description

Vitamin D 25-OH, Total D2, D3 - Blood Spot Test Kit

Detects deficiencies in Vitamin D (independently monitoring both Vitamin D2 and D3 status by LC-MS/MS) as a potential cause of health problems ranging from osteoporosis to cardiovascular disease.

Vitamin D Testing Instructions

How Does It Work?

  • Step 1

    Order the test kit online and a complete materials package will be delivered to your door.

    1
  • Step 2

    Follow the instructions for the collection of saliva, blood, or urine and return samples via prepaid shipping label.

    2
  • Step 3

    Get results quickly and discreetly through a secure online portal or have a physical copy sent directly to you.

    3

Why Test With Us?

  • Highest Testing Standards

    We use the most up-to-date collection methods to secure blood, urine, and saliva samples for shipment and testing. Our at-home test kits and methodologies meet the highest standards for both quality and validity.

  • Certified Testing Labs

    CLIA (Clinical Laboratory Improvement Amendments) certified laboratories are used to receive and evaluate test samples. This ensures strict adherence to both state and federal guidelines with regular inspections from applicable government agencies.

  • Key Facts About The Lab

    Operating for over 20 years with over 8 million tests completed. Developed three distinct hormone testing methods. Partner with the CDC and NIH on research.

QUESTIONS & ANSWERS

Ask a Question
  • Does this test kit include a return shipping label?

    Hello! Thank you for your question. Yes, this test kit includes a return shipping label. 

    Let us know if you have any other questions. 

    Customer Care

  • The testing instructions say to return the spot card using the appropriate carrier. Can you tell me if the return label is for USPS and if not, for what carrier? Thanks for your help, Carlene

    Hello, the return shipping labels provided with the kit are usually UPS. Please let us know if you have any other questions.