BioStacks
Best for
Ingredients (1)
Iron
100%Dose
150 mg
Target
15–45 mg
Form
Not listed
Other Ingredients (13)
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
FD&C Red No. 3Colorant
In January 2025 the FDA revoked authorization for FD&C Red No. 3 in food and ingested drugs after evidence it caused thyroid tumors in male rats; under the Delaney Clause no additive shown to induce cancer in animals may be used. The same dye had already been banned from cosmetics and topical drugs since 1990. There is no reason to ingest a federally de-authorized colorant that provides only aesthetic value.
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
Sodium Lauryl SulfateSurfactant
A detergent surfactant; can be irritating and is generally undesirable in an oral supplement beyond trace processing levels.
Polyethylene Glycol (Coating)Coating
A polyether polymer used as a tablet coating and plasticizer
Citric AcidAcidulant
Natural acid derived from citrus fruits
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.