Hepcidina disminuye la absorción de hierro al inhibir -
	A: Hephaestin
	B: Sorry, "Ferropoin" does not exist in English language or in any language that I know of. It seems to be a made-up word or a misspelling. Could you please provide more context or information about what "Ferropoin" refers to?
	C: Transporte de iones metálicos divalentes
	D: "Transferrina"
	
Sorry, "Ferropoin" does not exist in English language or in any language that I know of. It seems to be a made-up word or a misspelling. Could you please provide more context or information about what "Ferropoin" refers to?