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Other · Supplement ingredient

Ferric oxide

Ferric oxide is listed on 4 U.S. supplement product labels in the NIH DSLD, #2,730 of 4,614 by label frequency.

4
Products
#2,730 of 4,614
By frequency

How common is Ferric oxide?

Number of supplement labels listing Ferric oxide vs nearby other ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Ferric oxide

Nearby Ingredients in Other

Other ingredients in the Other category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Ferric oxide vs Calories →

Frequently asked about Ferric oxide

How many supplement products contain Ferric oxide?
4 supplement product labels in the NIH DSLD currently lists Ferric oxide as an ingredient. By label frequency it ranks #2,730 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.