Iron Types
heme iron (1)
non-heme iron (1)
Soluble ferrous iron (2)
Insoluble ferric iron. (2)
Resources
1. https://www.healthline.com/nutrition/healthy-iron-rich-foods#_noHeaderPrefixedContent
2. http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm