Hundreds of foreign OTC drug firms marketing products in US had not been inspected for GMP compliance before FDA Safety and Innovation Act of 2012 pointed agency toward crossing those facilities off its list. Of the foreign OTC facilities inspected between June 2016 and January 2018, 25% received "official action indicated" inspection results, prompting warning letters and import alerts.
There's a reason for a drastic increase in FDA warning letters to OTC drug manufacturers, and it’s not that the number of firms providing nonprescription remedies in the US has jumped.
Hundreds of foreign firms that make OTC drugs marketed in the US had not been inspected for good manufacturing practices...