BioStacks
Ingredients (3)
Zinc
100%Dose/day
30 mg
Target
15–30 mg
Form
Standard
Vitamin D
60%Dose/day
600 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
40%Dose/day
100 mg
Target
250–2000 mg
Form
Budget
Other Ingredients (11)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Grape Skin Extract (Color)Colorant
Natural purple-red colorant from grape skins; the pigments are anthocyanins
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.
Citric AcidAcidulant
Natural acid derived from citrus fruits
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day
On the label
Adults: Chew 2 gummies daily. Take with food, a few hours before or after taking other medications or natural health products
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$19.99≈ $14.59
Cheaper than 71% of 544 vitamin C 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.