Prescription drug

Where is Fraxinus Pennsylvanica Pollen made?

2 companies 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. Green Red Ash Pollen1 g per 20 mL · NDC 54575-905The label doesn't name the factory. Plants this company names for other drugs
Antigen Laboratories, Inc. Green Ash0.05 g per 1 mL · NDC 49288-0623The label doesn't name the factory. Plants this company names for other drugs