Guess we will see after I get juiced up with ferretin tomorrow.
To be absolutely correct, technically, we'll see 3-6 months AFTER you get juiced up with ferritin tomorrow, since hair loss does not arrest immediately even when the damaging cause (nutritional deficiency, androgenic damage) is fixed. It always takes a few months. Critically damaged hair will fall out no matter what you do because it is already critically damaged. The typical lag is about 3 months. With finasteride it takes 6 months for statistically significant results for this exact reason.
As I have told you before, you read way too much into your so call "sheds". Since you have been posting here (maybe 2 months?) I can't count how many sheds you've said you've had and how many things you've blamed for them.
It's not that I doubt you're losing hair, or that your hair loss is fluctuating. I am sure you are losing hair, and it goes through heavy and light periods. But I think you need to stop obsessing over that and trying to "divine" some greater meaning from it except that you obviously haven't fixed your underlying problems yet.
The way you describe it, a wind could blow on your head and it might trigger a shed. (Because you were probably going to have that shed no matter what.) Then would it be fair to blame the wind?
We've discussed all the possible causes of hair loss and the only two we've established likely apply to you are your severe iron deficiency and your androgenic damage. Possibly a third cause may be estrogen balance related, but that can't be evaluated until the first more obvious two are fixed.
I know I am repeating myself now, but you simply need to address both big issues adequately and then wait for the random ups and downs to smooth out. Even with a perfect regimen, you're probably going to keep having sheds for at least 3 months. And you still haven't addressed either problem properly yet. So of course you're still shedding. It doesn't mean anything more deeply than that.
Some people have constant steady hair loss. Others have hair loss that ebbs and flows. Fluctuations are more commonly the case in nutritional or stress related hair loss.
The only way things like dutasteride trigger sheds is if they are working very effectively and triggering an telogen efluvium predictive of regrowth, or theoretically, if they are increasing testosterone by blocking its conversion into DHT, which can make some areas more vulnerable (front and corners). The second possibility is theoretical, but is how some people explain continued or increased frontal/corner loss on finasteride/dutasteride. Either way, this med is not a good long term solution for you, and obsessing over these sheds is not productive or helpful to actually fixing the underlying problems.