{"id":"https://openalex.org/W7127070571","doi":"https://doi.org/10.3389/fnut.2026.1718507","title":"Effect of iron supplements on cognitive development in children: an umbrella review","display_name":"Effect of iron supplements on cognitive development in children: an umbrella review","publication_year":2026,"publication_date":"2026-02-03","ids":{"openalex":"https://openalex.org/W7127070571","doi":"https://doi.org/10.3389/fnut.2026.1718507","pmid":"https://pubmed.ncbi.nlm.nih.gov/41710280"},"language":"en","primary_location":{"id":"doi:10.3389/fnut.2026.1718507","doi":"https://doi.org/10.3389/fnut.2026.1718507","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fnut.2026.1718507","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2026.1718507/pdf","source":{"id":"https://openalex.org/S2596909297","display_name":"Frontiers in Nutrition","issn_l":"2296-861X","issn":["2296-861X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Nutrition","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://public-pages-files-2025.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2026.1718507/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086209511","display_name":"Luz Caballero-Apaza","orcid":"https://orcid.org/0000-0002-2105-9007","observed_orcids":["https://orcid.org/0000-0002-2105-9007"]},"institutions":[{"id":"https://openalex.org/I4210136524","display_name":"Universidad Nacional del Altiplano","ror":"https://ror.org/03kqcyw85","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210136524"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Luz Marina Caballero-Apaza","raw_affiliation_strings":["Department of Nursing, School of Nursing, Universidad Nacional del Altiplano"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Nursing, School of Nursing, Universidad Nacional del Altiplano","institution_ids":["https://openalex.org/I4210136524"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071209730","display_name":"H\u00e9ber Isac Arbildo-Vega","orcid":"https://orcid.org/0000-0003-3689-7502","observed_orcids":["https://orcid.org/0000-0003-3689-7502"]},"institutions":[{"id":"https://openalex.org/I224954996","display_name":"Universidad de San Mart\u00edn de Porres","ror":"https://ror.org/03deqdj72","country_code":"PE","type":"education","lineage":["https://openalex.org/I224954996"]},{"id":"https://openalex.org/I3133295647","display_name":"National University Toribio Rodr\u00edguez de Mendoza","ror":"https://ror.org/0323wfn23","country_code":"PE","type":"education","lineage":["https://openalex.org/I3133295647"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Heber Isac Arbildo-Vega","raw_affiliation_strings":["Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres","Faculty of Human Medicine, Human Medicine School, Universidad San Mart\u00edn de Porres","Faculty of Post Graduate, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres","institution_ids":["https://openalex.org/I224954996"]},{"raw_affiliation_string":"Faculty of Human Medicine, Human Medicine School, Universidad San Mart\u00edn de Porres","institution_ids":["https://openalex.org/I224954996"]},{"raw_affiliation_string":"Faculty of Post Graduate, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas","institution_ids":["https://openalex.org/I3133295647"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027775273","display_name":"Vilma Mamani-Cori","orcid":"https://orcid.org/0000-0002-7073-4419","observed_orcids":["https://orcid.org/0000-0002-7073-4419"]},"institutions":[{"id":"https://openalex.org/I4210136524","display_name":"Universidad Nacional del Altiplano","ror":"https://ror.org/03kqcyw85","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210136524"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Vilma Mamani-Cori","raw_affiliation_strings":["Department of General Dentistry, Dentistry School, Universidad Nacional del Altiplano"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of General Dentistry, Dentistry School, Universidad Nacional del Altiplano","institution_ids":["https://openalex.org/I4210136524"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039548531","display_name":"Tania Carola Padilla-C\u00e1ceres","orcid":"https://orcid.org/0000-0002-3083-1417","observed_orcids":["https://orcid.org/0000-0002-3083-1417"]},"institutions":[{"id":"https://openalex.org/I4210136524","display_name":"Universidad Nacional del Altiplano","ror":"https://ror.org/03kqcyw85","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210136524"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Tania Carola Padilla-C\u00e1ceres","raw_affiliation_strings":["Department of General Dentistry, Dentistry School, Universidad Nacional del Altiplano"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of General Dentistry, Dentistry School, Universidad Nacional del Altiplano","institution_ids":["https://openalex.org/I4210136524"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045799018","display_name":"Fredy Hugo Cruzado-Oliva","orcid":"https://orcid.org/0000-0003-1575-0077","observed_orcids":["https://orcid.org/0000-0003-1575-0077"]},"institutions":[{"id":"https://openalex.org/I4210091554","display_name":"National University of Trujillo","ror":"https://ror.org/001b4cb05","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210091554"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Fredy Hugo Cruzado-Oliva","raw_affiliation_strings":["Faculty of Stomatology, Stomatology School, Universidad Nacional de Trujillo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Stomatology, Stomatology School, Universidad Nacional de Trujillo","institution_ids":["https://openalex.org/I4210091554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071294493","display_name":"Carlos Alberto Farje-Gallardo","orcid":"https://orcid.org/0000-0003-2907-0152","observed_orcids":["https://orcid.org/0000-0003-2907-0152"]},"institutions":[{"id":"https://openalex.org/I3133295647","display_name":"National University Toribio Rodr\u00edguez de Mendoza","ror":"https://ror.org/0323wfn23","country_code":"PE","type":"education","lineage":["https://openalex.org/I3133295647"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Carlos Alberto Farje-Gallardo","raw_affiliation_strings":["Faculty of Health Sciences, Stomatology School, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Health Sciences, Stomatology School, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas","institution_ids":["https://openalex.org/I3133295647"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080908295","display_name":"Rub\u00e9n Aguirre-Ipenza","orcid":"https://orcid.org/0000-0001-9853-0824","observed_orcids":["https://orcid.org/0000-0001-9853-0824"]},"institutions":[{"id":"https://openalex.org/I4210165210","display_name":"Universidad Continental","ror":"https://ror.org/05rcf8d17","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210165210"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Rub\u00e9n Aguirre-Ipenza","raw_affiliation_strings":["Faculty of Health Sciences, Universidad Continental"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Health Sciences, Universidad Continental","institution_ids":["https://openalex.org/I4210165210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122758685","display_name":"Hern\u00e1n V\u00e1squez-Rodrigo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I224954996","display_name":"Universidad de San Mart\u00edn de Porres","ror":"https://ror.org/03deqdj72","country_code":"PE","type":"education","lineage":["https://openalex.org/I224954996"]},{"id":"https://openalex.org/I4210136908","display_name":"Universidad Norbert Wiener","ror":"https://ror.org/04abrpb32","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210136908"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Hern\u00e1n V\u00e1squez-Rodrigo","raw_affiliation_strings":["Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres","Faculty of Health Sciences, Dentistry School, Universidad Norbert Wiener"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres","institution_ids":["https://openalex.org/I224954996"]},{"raw_affiliation_string":"Faculty of Health Sciences, Dentistry School, Universidad Norbert Wiener","institution_ids":["https://openalex.org/I4210136908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047434561","display_name":"Sara Antonieta Luj\u00e1n-Valencia","orcid":"https://orcid.org/0000-0002-8442-7698","observed_orcids":["https://orcid.org/0000-0002-8442-7698"]},"institutions":[{"id":"https://openalex.org/I4210116357","display_name":"Catholic University of Santa Mar\u00eda","ror":"https://ror.org/027ryxs60","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210116357"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Sara Antonieta Luj\u00e1n-Valencia","raw_affiliation_strings":["Faculty of Dentistry, Dentistry School, Universidad Cat\u00f3lica de Santa Mar\u00eda","Postgraduate School, Universidad Cat\u00f3lica de Santa Mar\u00eda"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Dentistry, Dentistry School, Universidad Cat\u00f3lica de Santa Mar\u00eda","institution_ids":["https://openalex.org/I4210116357"]},{"raw_affiliation_string":"Postgraduate School, Universidad Cat\u00f3lica de Santa Mar\u00eda","institution_ids":["https://openalex.org/I4210116357"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058878478","display_name":"Joan Manuel Meza-M\u00e1laga","orcid":"https://orcid.org/0000-0001-6529-0545","observed_orcids":["https://orcid.org/0000-0001-6529-0545"]},"institutions":[{"id":"https://openalex.org/I4210116357","display_name":"Catholic University of Santa Mar\u00eda","ror":"https://ror.org/027ryxs60","country_code":"PE","type":"education","lineage":["https://openalex.org/I4210116357"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Joan Manuel Meza-M\u00e1laga","raw_affiliation_strings":["Faculty of Dentistry, Dentistry School, Universidad Cat\u00f3lica de Santa Mar\u00eda"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Dentistry, Dentistry School, Universidad Cat\u00f3lica de Santa Mar\u00eda","institution_ids":["https://openalex.org/I4210116357"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055171525","display_name":"Tania Bel\u00fa Castillo-Cornock","orcid":"https://orcid.org/0000-0001-6135-9277","observed_orcids":["https://orcid.org/0000-0001-6135-9277"]},"institutions":[{"id":"https://openalex.org/I224954996","display_name":"Universidad de San Mart\u00edn de Porres","ror":"https://ror.org/03deqdj72","country_code":"PE","type":"education","lineage":["https://openalex.org/I224954996"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Tania Bel\u00fa Castillo-Cornock","raw_affiliation_strings":["Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Dentistry, Dentistry School, Universidad San Mart\u00edn de Porres","institution_ids":["https://openalex.org/I224954996"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5122811071","display_name":"Franz Tito Coronel-Zubiate","orcid":"https://orcid.org/0000-0003-4747-947X","observed_orcids":["https://orcid.org/0000-0003-4747-947X"]},"institutions":[{"id":"https://openalex.org/I3133295647","display_name":"National University Toribio Rodr\u00edguez de Mendoza","ror":"https://ror.org/0323wfn23","country_code":"PE","type":"education","lineage":["https://openalex.org/I3133295647"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Franz Tito Coronel-Zubiate","raw_affiliation_strings":["Faculty of Health Sciences, Stomatology School, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Health Sciences, Stomatology School, Universidad Nacional Toribio Rodr\u00edguez de Mendoza de Amazonas","institution_ids":["https://openalex.org/I3133295647"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3150,"currency":"CHF","value_usd":3801},"apc_paid":{"value":3150,"currency":"CHF","value_usd":3801},"fwci":9.1015,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.96463054,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"13","issue":null,"first_page":"1718507","last_page":"1718507"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10452","display_name":"Iron Metabolism and Disorders","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10452","display_name":"Iron Metabolism and Disorders","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10596","display_name":"Child Nutrition and Water Access","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10915","display_name":"Trace Elements in Health","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/iron-supplementation","display_name":"iron supplementation","score":1.0},{"id":"https://openalex.org/keywords/cognitive-development","display_name":"cognitive development","score":0.9649999737739563},{"id":"https://openalex.org/keywords/children","display_name":"children","score":0.7559999823570251},{"id":"https://openalex.org/keywords/anemia","display_name":"anemia","score":0.8199999928474426},{"id":"https://openalex.org/keywords/intelligence","display_name":"intelligence","score":0.8450000286102295},{"id":"https://openalex.org/keywords/memory","display_name":"memory","score":0.9909999966621399},{"id":"https://openalex.org/keywords/attention","display_name":"attention","score":0.9990000128746033},{"id":"https://openalex.org/keywords/academic-achievement","display_name":"academic performance","score":0.9470000267028809},{"id":"https://openalex.org/keywords/iron-deficiency","display_name":"iron deficiency","score":0.6779999732971191}],"concepts":[{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.512499988079071},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.4424000084400177},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3562999963760376},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.30300000309944153},{"id":"https://openalex.org/C140441792","wikidata":"https://www.wikidata.org/wiki/Q2910672","display_name":"Cognitive development","level":3,"score":0.2957000136375427},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.28360000252723694},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2711000144481659},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.2685000002384186},{"id":"https://openalex.org/C2780665704","wikidata":"https://www.wikidata.org/wiki/Q959298","display_name":"Intervention (counseling)","level":2,"score":0.2538999915122986},{"id":"https://openalex.org/C64903051","wikidata":"https://www.wikidata.org/wiki/Q2198549","display_name":"Drug development","level":3,"score":0.23250000178813934}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3389/fnut.2026.1718507","doi":"https://doi.org/10.3389/fnut.2026.1718507","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fnut.2026.1718507","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2026.1718507/pdf","source":{"id":"https://openalex.org/S2596909297","display_name":"Frontiers in Nutrition","issn_l":"2296-861X","issn":["2296-861X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Nutrition","raw_type":"journal-article"},{"id":"pmid:41710280","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41710280","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in nutrition","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:12909201","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12909201/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Front Nutr","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3389/fnut.2026.1718507","doi":"https://doi.org/10.3389/fnut.2026.1718507","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fnut.2026.1718507","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2026.1718507/pdf","source":{"id":"https://openalex.org/S2596909297","display_name":"Frontiers in Nutrition","issn_l":"2296-861X","issn":["2296-861X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Nutrition","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9763000011444092,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"score":0.8359083533287048,"id":"https://metadata.un.org/sdg/4","display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7127070571.pdf","grobid_xml":"https://content.openalex.org/works/W7127070571.grobid-xml"},"referenced_works_count":65,"referenced_works":["https://openalex.org/W600840809","https://openalex.org/W1486790985","https://openalex.org/W1547731352","https://openalex.org/W1845808114","https://openalex.org/W1937168575","https://openalex.org/W1982558661","https://openalex.org/W1990810255","https://openalex.org/W1999781281","https://openalex.org/W2000031904","https://openalex.org/W2011497294","https://openalex.org/W2016052146","https://openalex.org/W2025077090","https://openalex.org/W2031200548","https://openalex.org/W2042484504","https://openalex.org/W2044681857","https://openalex.org/W2060585522","https://openalex.org/W2077713625","https://openalex.org/W2078171907","https://openalex.org/W2086214452","https://openalex.org/W2092984166","https://openalex.org/W2104044214","https://openalex.org/W2104962474","https://openalex.org/W2107383758","https://openalex.org/W2121356739","https://openalex.org/W2143800252","https://openalex.org/W2147854221","https://openalex.org/W2162527851","https://openalex.org/W2163472591","https://openalex.org/W2555276357","https://openalex.org/W2559390991","https://openalex.org/W2750887719","https://openalex.org/W2756578555","https://openalex.org/W2756861621","https://openalex.org/W2757071974","https://openalex.org/W2763900311","https://openalex.org/W2767104704","https://openalex.org/W2779032632","https://openalex.org/W2912654919","https://openalex.org/W2953877208","https://openalex.org/W2965241599","https://openalex.org/W2969445026","https://openalex.org/W3040175887","https://openalex.org/W3080102553","https://openalex.org/W3095382864","https://openalex.org/W3155599483","https://openalex.org/W3175171270","https://openalex.org/W3176063991","https://openalex.org/W3183797710","https://openalex.org/W4211008331","https://openalex.org/W4223611993","https://openalex.org/W4226299472","https://openalex.org/W4236021208","https://openalex.org/W4290769249","https://openalex.org/W4297724982","https://openalex.org/W4312161554","https://openalex.org/W4312195625","https://openalex.org/W4313252430","https://openalex.org/W4382237371","https://openalex.org/W4388595365","https://openalex.org/W4392230885","https://openalex.org/W4393111710","https://openalex.org/W4396857455","https://openalex.org/W4401161959","https://openalex.org/W4407035522","https://openalex.org/W4410521360"],"related_works":[],"abstract_inverted_index":{"Aim:":[0],"To":[1],"synthesize":[2],"and":[3,10,37,56,72,122,184],"critically":[4],"appraise":[5],"evidence":[6],"from":[7,150],"systematic":[8,47,96],"reviews":[9,97,101,152],"meta-analyses":[11],"on":[12,18],"the":[13,75,83,178],"effect":[14],"of":[15,34,68,88,109],"iron":[16,54,155],"supplementation":[17,55,112,156,168,182],"children's":[19],"cognitive":[20,57,161,191],"development.":[21],"Methods:":[22],"We":[23],"conducted":[24],"a":[25],"comprehensive":[26],"search":[27],"in":[28,59,116,129,163,169],"PubMed,":[29],"Cochrane":[30],"Library,":[31],"Scopus,":[32],"Web":[33],"Science,":[35],"Embase,":[36],"gray":[38],"literature":[39],"up":[40],"to":[41,82,188],"August":[42],"2025.":[43],"Eligible":[44],"studies":[45],"were":[46,98,102,132,139],"reviews,":[48],"with":[49,70,106],"or":[50,134,145],"without":[51],"meta-analysis,":[52],"assessing":[53],"outcomes":[58],"children.":[60],"Methodological":[61],"quality":[62],"was":[63],"appraised":[64],"using":[65],"AMSTAR-2,":[66],"risk":[67,108],"bias":[69],"ROBIS,":[71],"overlap":[73],"through":[74],"Corrected":[76],"Covered":[77],"Area":[78],"(CCA).":[79],"Reporting":[80],"adhered":[81],"PRIOR":[84],"guidelines":[85],"for":[86,141,180],"overviews":[87],"reviews.":[89],"Results:":[90],"Of":[91],"2,725":[92],"records":[93],"screened,":[94],"17":[95],"included.":[99],"Three":[100],"rated":[103],"high":[104],"confidence":[105],"low":[107],"bias.":[110],"Iron":[111],"showed":[113],"modest":[114],"benefits":[115,162],"domains":[117],"such":[118],"as":[119],"intelligence,":[120],"memory,":[121],"attention":[123],"among":[124],"anemic":[125,164],"children,":[126,165],"whereas":[127],"effects":[128],"non-deficient":[130,170],"populations":[131],"negligible":[133],"uncertain.":[135],"No":[136],"consistent":[137],"improvements":[138],"observed":[140],"broader":[142],"mental":[143],"development":[144],"school":[146],"achievement.":[147],"Conclusion:":[148],"Evidence":[149],"high-confidence":[151],"indicates":[153],"that":[154],"confers":[157],"small":[158],"but":[159],"meaningful":[160],"while":[166],"universal":[167],"children":[171],"is":[172],"not":[173],"supported.":[174],"These":[175],"findings":[176],"highlight":[177],"need":[179],"targeted":[181],"strategies":[183],"more":[185],"homogeneous":[186],"trials":[187],"clarify":[189],"long-term":[190],"outcomes.":[192],"Systematic":[193],"review":[194],"registration:":[195],"doi:":[196],"10.17605/OSF.IO/5EKHX.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2026-02-03T00:00:00"}