BioStacks
Best for
Ingredients (5)
Vitamin D
20%Dose
200 IU
Target
1000–5000 IU
Form
Premium
Zinc
18%Dose
2.8 mg
Target
15–30 mg
Form
Standard
Dietary Fiber
40%Dose
4 g
Target
10–30 g
Form
—
Vitamin C
9%Dose
22.5 mg
Target
250–2000 mg
Form
Not listed
Soluble Fiber
20%Dose
2 g
Target
10–30 g
Form
—
Children's product — scores and dose assessments use adult reference ranges. Actual adequacy may differ for children.
Other Ingredients (9)
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Natural Cherry FlavorFlavor
A flavoring derived from natural cherry sources
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Tapioca FiberFiber
Soluble fiber derived from tapioca, used as a bulking agent and prebiotic fiber filler
Citric AcidAcidulant
Natural acid derived from citrus fruits
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
Sodium CitrateBuffer
Sodium salt of citric acid used for pH control, tartness, and chelation in gummies
Carnauba WaxCoating
Hard plant wax from the carnauba palm used to glaze gummies and tablets
How to Take It
Take it anytime
Fat-soluble — take with your largest fat-containing meal. Time of day doesn't matter.
With a meal containing fat
Keep it away from medication and mineral supplements
Space it a couple of hours from Iron and Calcium
On the label
Children 4 years and older thoroughly chew 2 gummies under adult supervision.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$24.99
Near the median of 292 immune supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.