This DNA Test determines a biological relationship between a paternal grandparent and grandchild using a toothbrush sample.  We do not ship internationally. Only U.S.  domestic shipping only.

Please Note: Secure DNA Tests (S-DNA) does not provide services to New York State residents due to the New York State Department of Health (NYSDOH) guidelines.

Cancellations: All cancellations made prior to testing will incur a $50.00 processing fee. This fee will be deducted from your total purchase cost, regardless of the reason for cancellation.

Incomplete Information: If you submit incomplete information online, we will contact you via email or phone to request the missing details. A response is required within 3 days. If we do not receive a response within that time, S-DNA will issue a refund, minus a $50.00 processing fee.