well, you think the FDA is going to require drug dealers to put warning labels on their products?
Well, seeing as how this isn't a drug that's "dealt", unless you count the means of acquiring the original Codeine pills (which are in fact controlled by the FDA).
This isn't like crack, where it's hard to botch the chemistry. This crap is cooked up by the individual, not sold on the streets. Just to lay down some fact.