Prescription drug

Where is Rumex Acetosella Pollen and Rumex Crispus 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. Dock Mix, Sour Sheep Sorrel/Yellow Pollen0.5 g per 20 mL · NDC 54575-169The label doesn't name the factory. Plants this company names for other drugs
Antigen Laboratories, Inc. Dock/Sorrel Mixture0.025 g per 1 mL · NDC 49288-0183The label doesn't name the factory. Plants this company names for other drugs