I was just doing a little Googlefu about iron stores since my iron binding capacity is really high, trying to decide if I should supplement or not. I keep thinking I probably should not, especially if I happen to actually be sick.
Then I ran across this:
Iron deficiency, even mild anemia, may...
Not sure if copper malabsorption is common, but I came across some results suggesting that sublingual copper glycinate can raise plasma copper levels in people who have trouble absorbing it otherwise.
Maybe that tidbit will help someone searching the forum in the future.