Prescription drug

Where is Ailanthus Altissima Pollen made?

3 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. Tree Of Heaven Pollen1 g per 20 mL · NDC 54575-970The label doesn't name the factory. Plants this company names for other drugs
Antigen Laboratories, Inc. Tree of Heaven0.05 g per 1 mL · NDC 49288-0574The label doesn't name the factory. Plants this company names for other drugs
Nelco Laboratories, Inc. Ailanthus0.05 g per 1 mL, 0.1 g per 1 mL, 10000 [PNU] per 1 mL, 20000 [PNU] per 1 mL, 40000 [PNU] per 1 mL · NDC 36987-3362, 36987-3363, 36987-3364 +5The label doesn't name the factory. Plants this company names for other drugs