BioStacks
Best for
Ingredients (5)
Melatonin
100%Dose
5 mg
Target
0.5–5 mg
Form
—
Zinc
33%Dose
5 mg
Target
15–30 mg
Form
Standard
Vitamin D3
20%Dose
200 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
20%Dose
50 mg
Target
250–2000 mg
Form
Budget
Elderberry (48:1) extract
3%Dose
7.5 mg
Target
300–600 mg
Form
—
Other Ingredients (10)
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
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
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
Sodium CitrateBuffer
Sodium salt of citric acid used for pH control, tartness, and chelation in gummies
Sunflower Seed OilCarrier
Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients
How to Take It
Best taken in the evening
Take 30–60 minutes before bed. It's a circadian signal, not a daytime supplement. 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
On the label
Adults: Chew 1-2 gummies daily with food, at or before bedtime, a few hours before or after taking other medications or natural health products. For jet lag: Chew 1-2 gummies daily at bedtime, after darkness has fallen, while travelling, and at destination, until adapted to the new daily pattern. Take with food, a few hours before or after taking other medications or natural health products. Do not drive or use machinery for 5 hours after taking melatonin. Consult a health care practitioner for use beyond 1 month
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$19.99≈ $14.59
Pricier than 70% of 187 melatonin 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.