The product is composed of a mixture of immune globulin fragments purified from plasma of horses that were previously immunized with botulinum toxin serotype E.
The product is a purified preparation of immune globulin F(ab’)2 fragments that are derived from plasma of the horses immunized with venom of C. noxius, C. l. limpidus, C. l. tecomanus, and C. s. suffusus. It is produced from equine IgG antibodies.