Diatomaceous earth?
can you munch through DIATOMACEOUS EARTH
Answer: Only the food grade diatomaceous earth that help to kill pinworms and other parasites contained by your body..
It's not toxic to humans if that's what you mean. I wouldn't, though. But if there be some sprinkled on a vegetable you ate, it wouldn't kill you. yes, you can probably eat it.But,why would anyone want to?