: Why do non-sugary cereals contain twice the iron of sugary cereals? I've noticed a pattern that sugary and non-sugary cereals are typically enriched with the same levels of every vitamin EXCEPT iron, which is typically twice

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Why do non-sugary cereals contain twice the iron of sugary cereals?
I've noticed a pattern that sugary and non-sugary cereals are typically enriched with the same levels of every vitamin EXCEPT iron, which is typically twice as high in the non-sugary cereals. Here are some examples by percentage of adult-female iron RDA per serving (double the numbers to get percentage of adult-male iron RDA).

Cheerios, plain: 51%
Cheerios, any other flavor: 25%
Toasted oats, plain: 45%
Toasted oats, any other flavor: 25%
Corn flakes: 45%
Frosted flakes: 25%
Quaker oatmeal plain: 40%
Quaker oatmeal, any other flavor: 20%

So I have two questions:

Why the heck do the manufacturers do this? Do they assume only female hemophiliacs eat plain cereals?
How large is the risk of getting too much total iron from diet when you eat these cereals, considering the tolerable upper limit is only 40mg and the average adult male gets 20mg compared to an 8mg adult-male RDA. Just adding two largish bowls of cheerios to the average male diet would put it over the limit.

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