BioStacks
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Ingredients (5)
Iron
100%Dose
28 mg
Target
15–45 mg
Form
Premium
Vitamin C
100%Dose
60 mg
Target
25–200 mg
Form
Budget
Folic Acid
100%Dose
400 mcg
Target
400–800 mcg
Form
Budget
Folate
100%Dose
667 mcg DFE
Target
400–800 mcg
Form
Not listed
Vitamin B-12
3%Dose
8 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the morning
Best absorbed on an empty stomach with vitamin C. If it upsets your gut, take it with a light meal instead.
On an empty stomach
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
Take 1 capsule daily, preferably with a meal.
Labels usually say “with food” because it's gentler on the stomach, not because it absorbs better. Fasted absorbs more — start there, and switch to a light meal if it bothers you.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$6.99
Cheaper than 92% 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.