BioStacks
Best for
Ingredients (5)
Melatonin
100%Dose/day
5 mg
Target
0.5–5 mg
Form
—
Magnesium
100%Dose/day
100 mg
Target
100–400 mg
Form
Standard
Passionflower (4:1) Extract
50%Dose/day
125 mg
Target
250–500 mg
Form
—
Chamomile (5:1) Extract
9%Dose/day
20 mg
Target
220–1500 mg
Form
—
Tart Cherry
8%Dose/day
40 mg
Target
480–1000 mg
Form
—
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
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
How to Take It
Best taken in the evening
Take 30–60 minutes before bed. It's a circadian signal, not a daytime supplement.
With or without food
Space it a couple of hours from Iron and Calcium
Label directs 2 servings — keep one for the evening
On the label
Adults: Take 2 gummies once daily at or before bedtime. Consult a health care practitioner for use beyond 1 month. Do not drive or use machinery for 5 hours after taking melatonin
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$21.99≈ $16.05
Pricier than 85% of 15 passionflower 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.