3 forms · which to buy
Iron
The form sold at a premium is often not the one the trials used. Here is every iron we carry, what each was tested for, and at what dose.
Start with what you want it for
Each row is one reason people take iron, and the form that actually has the evidence for it.
Solid
Solid
Also sold for this, without evidence we can stand behind: Iron Bisglycinate.
Every form, side by side
A form with nothing listed is not a bad product — it means no trial we could find has tested it for anything we cover.
Sold for these too — with less behind it
Weaker evidence, conflicting results, or a claim we could not verify. The page for each says which.