BioStacks
Best for
Ingredients (5)
Iron
100%Dose
22 mg
Target
15–45 mg
Form
Budget
Boron
3%Dose
0.1 mg
Target
3–6 mg
Form
—
Magnesium
20 mgTrace amount — not scored
Sulfate
30 mgNot in our database
Chloride
10 mgTrace amount — not scored
Other Ingredients (4)
Citric AcidAcidulant
Natural acid derived from citrus fruits
Trace MineralsBase
A blend of trace minerals (typically including selenium, chromium, manganese, molybdenum, etc.) used as a supporting base ingredient
PotassiumMineral
Essential mineral naturally present in many plant-based supplement ingredients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
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
Shake well. Due to the concentrated nature of this product, we recommend spreading the serving size. Using 0.5-125 ml daily with juice to mask the concentrated flavor.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.99
Near the median of 138 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.