Source: NYT > Health
Article note: No surprises here, it's long been suspected that Phenylephrine was basically a placebo which was pushed on to the market because (politically) there needed to be an alternative to Pseudoephedrine, so that could be restricted/tracked/made inconvenient over concerns of it being used as an easy Methamphetamine precursor.
Now we find out what the FDA will do now that it has been firmly established that was wishful thinking and/or a lie.
The agency now must decide whether products containing the ingredient, like some Sudafed and NyQuil products, should no longer be sold or perhaps give companies lead time to substitute other ingredients.