What does it mean that the products are animal origin-free to the primary or secondary level?

All our products are defined and animal origin-free (Ref: ISCT guidance document “ISCT Animal-Free Origin Survey Results-Summary”). Please see the diagram below for an explanation of the different levels. You can find links to all the Animal Origin Free statements in the Quality documents page. For more information on the difference between CT, MX, and LN products, please see this Application note.