BioStacks
Other Ingredients (15)
Blue 2 LakeColorant
A synthetic coal-tar/petroleum-derived dye used purely for color, linked to behavioral concerns in sensitive children. The lake form adds aluminum. No health benefit — we flag all artificial colors.
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
TalcAnti-caking
IARC classifies cosmetic-grade talc not containing asbestos as Group 2B (possibly carcinogenic to humans); perineal talc use as Group 2A (probably carcinogenic). Johnson & Johnson voluntarily withdrew talc-based baby powder from US/Canada in 2020 and globally in 2022 after extensive litigation tied to ovarian-cancer and mesothelioma cases. The 2018 FDA contamination survey found asbestos in 9 of 52 cosmetic talc products tested. As a supplement excipient talc is a pure manufacturing convenience — no nutritional or functional benefit to the user — so the asbestos-exposure risk has no offsetting upside. Safer alternatives (silicon dioxide, microcrystalline cellulose, rice hulls) are widely available.
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.
Mineral OilEmollient
A highly refined petroleum-derived oil used as an occlusive emollient and lubricant
PolydextroseFiller
A synthetic soluble fiber/bulking agent made from glucose
Polyethylene Glycol (Coating)Coating
A polyether polymer used as a tablet coating and plasticizer
How to Take It
Best taken in the morning
Ferrous sulfate is the form most likely to upset your stomach. Food costs you some absorption but is usually the difference between sticking with it and quitting.
With food
Keep it away from coffee, tea and dairy
Space it a couple of hours from Calcium, Zinc, Magnesium, Manganese and Green Tea Leaf Extract
On the label
Directions: Adults and children over 12 years of age: Take 1 tablet daily as a dietary supplement, preferably with a meal or as directed by a doctor. Do not exceed 2 tablets in 24 hours. Not for frequent or prolonged use except on the advice of a doctor. Do not give to children under 12 years of age. Do not exceed recommended dosage.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.