since males "get rid of excess" only by losing blood. IIRC there are several essays out there on consequences of overdoing Fe in male critters; no idea what the current AMA take is, if any.
Clue may be - "too Much spinach" has entered the vocabulary. As to Who's Right?
Haven't cared enough to run down some corroborations claimed, yet.
Bon appetit.
Ashton