Ferrous fumarate: what the studies show, and the products
4 of the human studies we graded used ferrous fumarate. Its products are graded on the studies of every form of iron. This page is educational, not medical advice.
What it does, by goalMembersThe top 3 of 3 goals
1 of these 4 human studies gave ferrous fumarate by drip, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Too few studies 1 study, no clear result | 1 | – | |
| Too few studies 1 study, no clear result, 1 by drip, injection or inhaler | 1 | – | |
| No effect in studies 2 studies, both found no effect | 2 | – |
Members see which goal each result is for, and the products for it. Start My 7-Day Free Trial →
Products – highest ranked firstMembersThe top 3 of 3
Dose and safetyThe dose that worked and the upper limit
No study we graded gave a dose that worked yet.
The upper limit for adults is 45 mg of iron a day, counted as the iron itself, not the weight of the compound; above it, members see a note and are told they can take less.
Biohacker panelMembersWhat our 10 biohackers say about ferrous fumarate
Members see which forms the panel backs, and what each biohacker said. Start My 7-Day Free Trial →
Questions people askMembersAnswered from the figures on this page
What is ferrous fumarate good for?
Answer for members.
Can I take ferrous fumarate with my meds?
Answer for members.
Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →
Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →