Prescription drug

Where is Poa Compressa 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
Antigen Laboratories, Inc. Canadian Bluegrass0.05 g per 1 mL · NDC 49288-0062The label doesn't name the factory. Plants this company names for other drugs
Nelco Laboratories, Inc. Canadian Blue Grass0.05 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 36987-2285, 36987-2284, 36987-2286 +5The label doesn't name the factory. Plants this company names for other drugs