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Wheat flour iron fortification

Intervention ID: int_iron_fortification
Evidence strength: moderate
Causes: cause_nutrition

Mechanism

Fortify staple flour with iron/folic acid/B12.

Organizations in this catalog

• org_fortify_health
• org_evidence_action_ifa
• org_iodine_global_network
• org_evidence_action

Citations (public evaluator pages)

• https://www.happierlivesinstitute.org/charities/
• https://www.givewell.org/research/incubation-grants/Fortify-Health-expansion-December-2021

Evidence notes

HLI lists Fortify Health ~2.9× GiveDirectly on charities comparison table; GiveWell incubation grant history exists.

Key uncertainties

• HLI comparison table figure; depth of Fortify Health WELLBY analysis less than Top Charities.
• GiveWell incubation ≠ current Top Charity designation.

Cost-effectiveness notes (do not treat as verified without citation_urls)

HLI lists Fortify Health ~2.9x GiveDirectly.

Agents must look up data/claims_index.json and cite citation_urls before stating numbers.

Provenance

See docs/evaluation-provenance.md and data/graph/evaluations_graph.json.

last_reviewed: 2026-10-01