ZRT testing kits on our site are at discounted prices and shipped directly from ZRT to your door FOR FREE!  Each test comes with a prepaid UPS label to make it super convenient for you to send the kit back to the ZRT lab. Note: If you select UPS Next Day Air for Young Hormones products, it will not apply to ZRT test kits.

ZRT kits can be shipped to physical addresses by UPS or PO Boxes by US Mail to all states and D.C, except NY and MD.

Maryland State residents:
MD State health law prohibits ZRT Laboratory from processing Internet orders for Maryland State residents at this time.
New York State residents:
NY State health law prohibits ZRT Laboratory from processing Internet orders for New York State residents at this time