Prescription drug

Where is Ambrosia Artemisiifolia Pollen and Canis Lupus Familiaris Hair 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
Antigen Laboratories, Inc. Treatment Set TS3295950.05 g per 1 mL / 800 [AU] per 1 mL · NDC 49288-0677The label doesn't name the factory. Plants this company names for other drugs