Prescription drug

Where is Aspergillus Niger Var. Niger 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. Aspergillus Niger1 g per 20 mL · NDC 54575-184The label doesn't name the factory. Plants this company names for other drugs
Antigen Laboratories, Inc. Aspergillus niger0.05 g per 1 mL, 0.1 g per 1 mL · NDC 49288-0033, 49288-0032The label doesn't name the factory. Plants this company names for other drugs
Nelco Laboratories, Inc. Aspergillus niger0.05 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 36987-1889, 36987-1890, 36987-1891 +6The label doesn't name the factory. Plants this company names for other drugs