Doubt there's massive harm in taking a supplement for iron in the short term, as long as you don't mainline iron filings or something
Fortified breakfast cereals (e.g. coco-pops
), baked beans, humus, lentils, are among good sources of iron. Apparently garam masala as well. There's probably a big list you could assemble via google.
Some foods reduce its absorption too. Some discussion about spinach, which has a lot of iron but also stuff which binds to it.
I assume that this is off the bat of a test that's told you that you have low iron, if not then might be worth checking in case it's not iron but something else.