BioStacks
Best for
Ingredients (22)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Iodine
100%Dose
150 mcg
Target
150–500 mcg
Form
Premium
Pantothenic Acid
12%Dose
6 mg
Target
50–500 mg
Form
Premium
Iron
100%Dose
27 mg
Target
15–45 mg
Form
Standard
Biotin
3%Dose
30 mcg
Target
1000–5000 mcg
Form
—
Other Ingredients (10)
Paprika OleoresinColorant
Natural orange-red colorant extracted from sweet red peppers (Capsicum annuum); the pigments are capsanthin and capsorubin
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
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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.