BioStacks
Best for
Ingredients (13)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
100%Dose
36 mg
Target
25–200 mg
Form
Standard
Vitamin B6
7%Dose
1.7 mg
Target
25–100 mg
Form
Premium
Biotin
3%Dose
30 mcg
Target
1000–5000 mcg
Form
—
Vitamin E
30%Dose
15 mg
Target
50–268 mg
Form
Budget
Other Ingredients (13)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
AnnattoColorant
Natural yellow-orange colorant derived from the seeds of the achiote tree (Bixa orellana)
Coconut OilCarrier
Edible oil from coconut used as a release/anti-sticking agent and carrier in gummies and soft formats
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins D and E in it absorb poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Adults, chew 2 gummies daily. Store tightly closed, in a cool, dry place, out of reach of children. Do not use if imprinted seal under cap is broken or missing.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.99
Near the median of 292 immune 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.