I have been hunting for research on iron deficiency and its link to low testosterone and found one that may be of interest to some here on the forum.
Intravenous iron replacement therapy in eugonadal males with iron-deficiency anemia: Effects on pituitary gonadal axis and sperm parameters; A pilot study Soliman A, Yassin M, De Sanctis V - Indian J Endocr Metab
Intravenous iron replacement therapy in eugonadal males with iron-deficiency anemia: Effects on pituitary gonadal axis and sperm parameters; A pilot study Soliman A, Yassin M, De Sanctis V - Indian J Endocr Metab