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Ingredient · Vitamin Mineral

Iron (ferrous sulfate, electrolytic)

Mixed · 6/10, higher is cleaner

How we reached this

Iron-fortification micronutrient in infant formula + cereals. FDA-required iron fortification for non-low-iron formula. GI-irritation signal at high dose; rated mid for formulation-required nutrient.

Sources · 1

  • FDA Infant Formula Regulation 21 CFR 107

Also listed as

electrolytic ironferrous sulfateiron

Products containing this · 19

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-24.