For a long time I thought most of us are iron deficiency until I met one 42 years old men came to see me for chronic fatigue he can not shake it off. Well, this might be from thyroid, adrenal fatigue by over working, lack of sleep, etc… could be many things. I convinced him to do iron panel test includes Ferritin = iron STORAGE marker. Guess what? His thyroid markers were out of range but most noticeably his Ferritin level was out of the chart. Excess Iron is so toxic to liver and more common in men because women are able to get rid of it by monthly menstruation. Here’s articles might interest you to read about excess iron
Who is at Risk of Iron Excess?
Iron Overload (Iron Disorders Institute)
