iron proteinate

Mineral

Iron proteinate is the chelated iron — the amino-acid-escorted form doing the same hemoglobin work with slightly smoother absorption.

Also appears on labels as: iron amino acid chelate · chelated iron · iron amino acid complex · ferrous chelate of amino acids hydrate

What it is

Iron bound to amino acids, the chelate pattern applied to the blood mineral. As with all proteinates: genuinely better-protected through digestion, modestly better absorbed, meaningfully more expensive.

Why it's in pet food

Iron delivery plus the premix-quality signal chelates carry. Recipes using proteinates across their trace minerals are usually telegraphing a formulation budget — a soft, honest signal among many.

How Bowlmark scores it

Scores are deterministic math over the printed label — the rules below apply to every product identically, and nothing estimates or fills in a blank.

Neutral, matching its sulfate sibling — the engine reads mineral adequacy as a formulation property, invisible to ingredient wording. The chelate-vs-inorganic choice is the premix chemist's, and both, done competently, feed the same red blood cells.

Read the full methodology

Foods that list iron proteinate

Ranked by score where scores exist. Placement here is never sold.

Sources

Further reading

Cite this page

Bowlmark. "Iron proteinate in pet food — what it is and how it scores." https://www.bowlmark.com/ingredient/iron-proteinate

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Last verified August 12, 2026

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