Where does one obtain that? From the waste stream of the methamphetamine producers?
Used to get Vicks inhalers with it. I don't know if its still available.
It is sold over the counter in most US pharmacies under the Vicks inhaler brand. The active ingredient label conveniently uses a spelling that most people will not recognize which is probably effective in preventing alarm from customers who aren't familiar with the dramatic difference in the effects of the two enantiomers.
TIL!
btw racemic meth is legally prescribed for ADHD under the brand desoxyn, although it's probably hard to find doctors prescribing it over regular amph