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Ingredient

Ferrous Sulfate

Source of

Iron

Rating

AVERAGE

Functional benefits

Oxygen transport

At a glance

Common, inexpensive iron form. Functional but often causes GI side effects including constipation, nausea, and stomach discomfort.

Refs: Santos M et al., 2018

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AI

Extended AI-generated content from Dr. Vegan's expert knowledge base will appear here — sourced from practitioner papers, client handouts, and clinical research.

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*SuppScore ingredient ratings are produced by qualified nutritionists based on peer-reviewed research. This content is for informational purposes only and does not constitute medical advice.