BioStacks
Best for
Ingredients (6)
Vitamin C
100%Dose
120 mg
Target
25–200 mg
Form
Budget
Folic Acid
100%Dose
400 mcg
Target
400–800 mcg
Form
Budget
Iron
100%Dose
50 mg
Target
15–45 mg
Form
Not listed
Folate
100%Dose
666 mcg dfe
Target
400–800 mcg
Form
Not listed
Vitamin B12
80%Dose
200 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (6)
Soy LecithinEmulsifier
Widely used emulsifier derived from soybeans
BeeswaxCoating
Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
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
Adults swallow 2 softgels daily with food.
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
$27.94
Pricier than 85% 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.