BioStacks
Best for
Ingredients (25)
Vitamin D3
100%Dose
2000 IU
Target
1000–5000 IU
Form
Premium
Iodine
100%Dose
150 mcg
Target
150–500 mcg
Form
Premium
Vitamin B6
100%Dose
4.3 mg
Target
1.3–25 mg
Form
Premium
Pantothenic Acid
15%Dose
7.5 mg
Target
50–500 mg
Form
Premium
Calcium
100%Dose
260 mg
Target
200–600 mg
Form
Standard
Other Ingredients (12)
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
CarmineColorant
Insect-derived (not vegan/vegetarian) and a recognized cause of IgE-mediated allergic reactions, including documented anaphylaxis. The FDA mandated explicit 'carmine'/'cochineal extract' labeling in 2011 specifically because of these reactions. Not toxic to the general population, but a genuine allergen with no health benefit; plant pigments achieve the same color.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
PolydextroseFiller
A synthetic soluble fiber/bulking agent made from glucose
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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.