BioStacks
Best for
Ingredients (5)
Vitamin B12
100%Dose
1000 mcg
Target
250–5000 mcg
Form
Premium
Folate
85%Dose
340 mcg DFE
Target
400–800 mcg
Form
Premium
Iron
33%Dose
5 mg
Target
15–45 mg
Form
Premium
Folic Acid
50%Dose
200 mcg
Target
400–800 mcg
Form
Budget
Liver Fractions
43%Dose
1300 mg
Target
3000–6000 mg
Form
Premium
Other Ingredients (6)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
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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.