BioStacks
Best for
Ingredients (1)
Iron
100%Dose
65 mg
Target
15–45 mg
Form
Budget
Other Ingredients (3)
CrospovidoneDisintegrant
Cross-linked synthetic polymer used as a tablet disintegrant to help tablets break apart quickly in the stomach
IronMineral
Essential trace mineral naturally present in many plant-based supplement ingredients
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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: For adults, take one (1) tablet daily, preferably with a meal and drink plenty of fluids.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$5.45
Cheaper than 99% of 160 iron supplements
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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.