Use the vial selector on the product page to choose the option you want before checkout. If you are unsure, contact Catalyst Shop before ordering.

Every vial carries a QR code on its label. Scan it to open that vial's batch page, where its tests and results are kept together and can be reviewed again at any time.

Store unreconstituted vials in a cool, dry place away from direct sunlight. Once reconstituted, refrigerate at 2–8°C. Do not freeze.

Catalyst Shop ships orders within 2 business days after payment clears, Monday through Friday excluding U.S. holidays. Every customer receives a tracking number when the order ships.