2. Iron preparations and dosing regimens.

Study	Preparation	Dose	Frequency
Anker 2009	Ferric carboxymaltose	200 mg	Weekly until replete, then monthly
Burden 2015a	Ferric carboxymaltose	500 mg	Single dose
Charles‐Edwards 2019	Iron isomaltoside	608 ± 204 mg	Single dose
Favrat 2014	Ferric carboxymaltose	1000 mg	Single dose
Grote 2009	Ferric carboxymaltose	200 mg	Five doses over two weeks
Johansson 2015	Iron isomaltoside	1000 mg	Single dose
Krayenbuehl 2011	Iron sucrose	200 mg	Four doses over two weeks
Okonko 2008	Iron sucrose	200 mg	Weekly until replete, then monthly
Van Veldhuisen 2017	Ferric carboxymaltose	500‐1000 mg	Six‐weekly until week 12
Wong 2016	Ferric carboxymaltose	1000 mg	Single dose
Woods 2014	Ferric carboxymaltose	100 mg	Two‐weekly for four weeks