8 years of nothing ! Oh boy . Here ' s the sciencebased list gregers 2011 o p t i m u m n u tritionrecommendationsNot taking appropriate B 12 can cause irreversible brain and nerve damage , that isn ' t noticed until it ' s too late . She ' s almost certainly gotten some B 12 from fortified vegan foods , but please have her take it . And the others mentioned . She should feel so much better . She also may need an iron supplement , but don ' t take that unless she gets a blood test that shows she needs it . Too much iron can be harmful . <| sep |> It is not helpful if you are ignoring the problem . Finland is increasing the amount of peat and wood they are burning , and both of those sources are considered renewable . That is dirtier energy than coal .