Prescription drug

Where is Quercus Nigra Pollen and Quercus Macrocarpa Pollen and Quercus Stellata Pollen a made?

1 company sell it under their own name. None of their labels names the factory.

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Allergy Laboratories, Inc. 5-Oak Mix, Blackjack/Bur/Post/Red/White Pollen5 ingredients · NDC 54575-954The label doesn't name the factory. Plants this company names for other drugs