The Ingredients in the Zambi Poison

Tetrodotoxin is found in a variety of marine creatures, including the puffer fish that are harvested off the coast of haiti. Too much poison and the victim simply dies. If buried too long, they suffocate. The ingredients mentioned here, human remains, worm parts, toads, lizards and t telas were likely inactive ingredients - at least in the main ingredients that don't materially contribute to causing a person to go into a death like coma. This would be very dangerous, as you might not give the prospective zombi the right dose or get them out of the grave in time. But dangerous criminals are willing to do dangerous things, otherwise they wouldn't be