BioStacks
Best for
Ingredients (1)
Vitamin D
50%Dose
500 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (8)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
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
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
Black CarrotColorant
Natural colorant derived from anthocyanin-rich black carrots, used to provide purple/red color in gummies and chewables
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
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
On the label
CHILDREN (7-14 YRS): CHEW ONE PER DAY Do not exceed the recommended intake. Do not give to children under 3 years due to choking hazard. Chew before swallowing. No synthetic colours, preservatives, lactose, yeast or artificial sweeteners Suitable for vegetarians and vegans Wellkid is not tested on animals For Allergy Advice and other usage information see Nutritional Information. Show Less
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
£11.85≈ $15.05
Near the median of 632 vitamin D 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.