Answer:
The answer would be iron. (It could also be calcium and/or zinc. Depending on the answer choices you have)
Explanation:
Fortified cereal usually contains minerals such as iron, calcium and zinc. These minerals help raise the nutritional value in many cereal types/brands.
I know this is late, but just in case anyone else in the future looks this up I hope it helps them! (If that ever actually happens, lol)