BioStacks
Best for
Ingredients (4)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
100%Dose
1000 mg
Target
250–2000 mg
Form
Not listed
Zinc
13%Dose
2 mg
Target
15–30 mg
Form
Not listed
Black Elderberry Extract
13%Dose
40 mg
Target
300–600 mg
Form
—
Other Ingredients
No other ingredients listed
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
Products that cover similar health dimensions based on their ingredients.
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.