There is no substance called "vile" produced in the human body. It seems like you might be thinking of something else, perhaps a word that sounds similar but has a different meaning.

Could you clarify what you mean by "vile"? Perhaps you're asking about:

* A specific bodily fluid: Like bile, which is produced by the liver and stored in the gallbladder.

* A specific chemical: Maybe you're interested in a hormone or enzyme.

* A negative feeling or emotion: Like disgust, which is a complex emotion and not a physical substance.

Once you give me more context, I can better understand what you're looking for and provide a helpful answer.