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the claim

Oral iron supplements increase serum ferritin levels in iron-deficient adults.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that oral iron supplements increase serum ferritin levels in iron-deficient adults?

Unclear. Several studies report that oral iron supplementation raises serum ferritin, but the evidence comes from narrow populations such as pregnant women, active females, and hemodialysis patients rather than iron-deficient adults generally. No retrieved item settles the claim for the general adult population.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Serum Ferritin as a Measure of Iron Stores During and After Normal Pregnancy with and Without Iron Supplements
1980
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Serum Ferritin as a Measure of Iron Stores During and After Normal Pregnancy with and Without Iron Supplements. (1980). doi.org. https://doi.org/10.3109/00016348009156379

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More for · 6
Administration of Pumpkin Seeds Herbal Capsules (Cucurbita Moschata) and Iron Supplement Tablets to Increase Serum Ferritin Levels in Pregnancy Anemia
2026
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Susanti, I. Y., Rahayu, S., & Fatmasari, D. (2026). Administration of Pumpkin Seeds Herbal Capsules (Cucurbita Moschata) and Iron Supplement Tablets to Increase Serum Ferritin Levels in Pregnancy Anemia. doi.org. https://doi.org/10.30994/jnp.v9i4.761

The effects of oral ferrous bisglycinate supplementation on hemoglobin and ferritin concentrations in adults and children: a systematic review and meta-analysis of randomized controlled trials.
2023
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Fischer, J. A. J., Cherian, A. M., Bone, J. N., & Karakochuk, C. D. (2023). The effects of oral ferrous bisglycinate supplementation on hemoglobin and ferritin concentrations in adults and children: a systematic review and meta-analysis of randomized controlled trials.. doi.org. https://doi.org/10.1093/nutrit/nuac106

Oral Iron Prophylaxis in Pregnancy: Not Too Little and Not Too Much!
2012
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Milman, N. (2012). Oral Iron Prophylaxis in Pregnancy: Not Too Little and Not Too Much!. doi.org. https://doi.org/10.1155/2012/514345

Iron absorption from supplements is greater with alternate day than with consecutive day dosing in iron-deficient anemic women
2019
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Iron absorption from supplements is greater with alternate day than with consecutive day dosing in iron-deficient anemic women. (2019). doi.org. https://doi.org/10.3324/haematol.2019.220830

Oral Versus Intravenous Iron Supplementation for the Treatment of Iron Deficiency Anemia in Patients on Maintenance Hemodialysis—Effect on Fibroblast Growth Factor-23 Metabolism
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Oral Versus Intravenous Iron Supplementation for the Treatment of Iron Deficiency Anemia in Patients on Maintenance Hemodialysis—Effect on Fibroblast Growth Factor-23 Metabolism. (n.d.). cir.nii.ac.jp. https://doi.org/10.1053/j.jrn.2017.12.009

Using Stable Iron Isotopic Techniques and Serum Hepcidin Profiles to Optimize Iron Supplementation for Correction of Iron Deficiency in Young Women
2015
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Using Stable Iron Isotopic Techniques and Serum Hepcidin Profiles to Optimize Iron Supplementation for Correction of Iron Deficiency in Young Women. (2015). hal.science. https://hal.science/hal-05577396v1

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