In the test kit, you will find a prepaid return envelope. You simply need to drop it into a mailbox, and it's free of charge. However, if you want to pay for additional services, you can use a private courier for sending your microbiome sample.
In the test kit, you will find a prepaid return envelope. You simply need to drop it into a mailbox, and it's free of charge. However, if you want to pay for additional services, you can use a private courier for sending your microbiome sample.