On Feb. 6th, 2018, China 325 mg ferrous sulfate with vitamin cAQSIQ released a pcan i take iron tablets with ferrous fumarateublic letter about imported cod liver oil proferrous fumarate elemental ironducts, which states that csunactive ferric pyrophosphateod liver oil is not common food in China according to the NHFPC reply letter in Apr. 14, 2014. Only registered what is ferric pyrophosphatecod liver oil products (as health food) can be imported.