Sweet potato flour fortification

Iron for example, depends on the target market

You can fortified with vitamins and minerals. But we have to do a market research and find out best components.

Thank you very much
But is there a fruit or food material iron is prominent in

Okayy
Thank youuu
Sweet potato has most essential vitamins

Tolulope, best way to it is for you to conduct a proximate analysis and have your result as a baseline for your fortufication.
You must also define the market you are tageting and know their dietary and nutritional requirements.