Why do you think you need to give blood?
You guys need to research the basics before even trying these drugs.
I might sound old but I think you need a lecture on how you’re approaching peds. First off, you need to learn the basic interpretation of values on your blood tests. The color green means your in range as the numbers indicate, red would mean the opposite and the numbers will reflect too.
Next, you should read about the effects of blood donation on your general well being and its effects on ferritin.
Research a little bit more on general effects of aas on haematology, use the search button on hematocrit, hemoglobin and rbc.
In short, donating blood is an archaic way to combat elevated h and h, rbc; which works for some and disastrous to others.