BioStacks
Best for
Ingredients (6)
Iodine
100%Dose
350 mcg
Target
150–500 mcg
Form
Premium
Sensoril Ashwagandha extract (root, leaf)
100%Dose
500 mg
Target
125–500 mg
Form
Premium
GS15-4 Fermented Korean ginseng extract (root)
100%Dose
200 mg
Target
200–400 mg
Form
—
Vitamin B12
80%Dose
200 mcg
Target
250–5000 mcg
Form
Premium
Vitamin A
43%Dose
300 mcg RAE
Target
700–1500 mcg
Form
Standard
Other Ingredients (8)
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
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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.