BioStacks
Best for
Ingredients (5)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Boron
100%Dose
3 mg
Target
3–6 mg
Form
—
Magnesium
100%Dose
100 mg
Target
100–400 mg
Form
Standard
Calcium
100%Dose
300 mg
Target
200–600 mg
Form
Not listed
Silicon
100%Dose
14 mg
Target
5–30 mg
Form
Budget
Other Ingredients (4)
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.
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in 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.