BioStacks
Ingredients (4)
Vitamin C
100%Dose
250 mg
Target
250–2000 mg
Form
Standard
Vitamin D
52%Dose
520 IU
Target
1000–5000 IU
Form
Premium
Zinc
50%Dose
7.5 mg
Target
15–30 mg
Form
Standard
Vitamin A
54%Dose
375 mcg RAE
Target
700–1500 mcg
Form
Standard
Other Ingredients (9)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
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
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamins A and D in it absorb poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
For adults, chew two (2) gummies daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.