BioStacks
Best for
Ingredients (6)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Zinc
100%Dose
23 mg
Target
15–30 mg
Form
Standard
Elderberry Fruit Powder
33%Dose
100 mg
Target
300–600 mg
Form
—
Elderberry Fruit Extract
17%Dose
50 mg
Target
300–600 mg
Form
—
Stevia leaf extract
4 mgNot in our database
Other Ingredients (7)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Wildflower HoneySweetener
A natural sweetener and humectant produced by bees, used in syrups and lozenges
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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
Space it a couple of hours from Iron and Calcium
On the label
As a dietary supplement, take 1 lozenge daily, or as directed by your healthcare practitioner. Let dissolve in mouth.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$23.62
Pricier than 79% of 50 elderberry 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.