If you scroll down the page it says the below. The horse paste doesn't need a Vet's prescription:
Please note that this item requires a veterinarian's prescription.
Three convenient ways to do that are:
Let us contact your veterinarian for prescription authorization.
Your veterinarian can contact us by fax/phone.
You can mail us the original written prescription.
If you scroll down the page it says the below. The horse paste doesn't need a Vet's prescription: Please note that this item requires a veterinarian's prescription. Three convenient ways to do that are: Let us contact your veterinarian for prescription authorization. Your veterinarian can contact us by fax/phone. You can mail us the original written prescription.