anemia and periods?

[rosewein.livejournal.com]

So hey,
i was amemic, not been back for blood test or ought but my eye lids are really red. i've been suplimenting with a complete b for a about a month.
question is has the heather iron levels changed my cycle is that possible? i went from a pretty regular 23 day cycle to 28. at this point it might just be a one off.
i've had a look on line and it seem a lot of people suspect that this has happened, saw a lot of people asking if this was possible but the answers said no.