Thank you for your interest in List Labs.
Cholera products #100 - #107 are manufactured without the use of any animal sourced material.
If you would like a Certificate of Origin, please feel free to contact us with your request by submitting a support ticket; as well as providing us with the Lot # of the product in question.
For more information about our Cholera products,
please visit us at: https://www.listlabs.com/products/cholera-toxins/
If you have additional inquiries, please feel free to continue your search in our Knowledge Base
or contact us with your question by submitting a support ticket here: https://listlabsinc.desk.com/customer/login?return_to=%2F