Posted on 24th October 20186th December 2018 by Haemochromatosis Type 4, Ferroportin Well, this was new to me this week, I found out about a new form of Haemochromatosis that I have never heard of before, also known as Ferroportin. This is another genetic disorder, caused by mutation in the SC40A1 gene. Click her to read more Post navigationPrevious post: Iron overload and the Immune System (IS)Next post: Do Coffee and Caffeine Inhibit Iron Absorption?