BioStacks
Best for
Ingredients (1)
Melatonin
100%Dose
5 mg
Target
0.5–5 mg
Form
—
Other Ingredients (10)
SucraloseSweetener
Dose context matters. As a trace excipient in a tablet coating or capsule, the amount is minimal and not a meaningful concern. The evidence below applies to the gram-level intakes typical of sweetened protein powders, pre-workouts, and drink mixes: a 2022 human trial (Suez et al., Cell) showed sucralose disrupts gut bacteria and worsens blood sugar control in healthy adults, and a 2023 study (Schiffman et al.) found that sucralose-6-acetate — a compound formed when sucralose is digested — was genotoxic to human cells in vitro. It remains an artificial sweetener with no nutritional purpose.
MannitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.
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.
Peppermint OilFlavor
Essential oil distilled from peppermint (Mentha piperita) leaves.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Sodium SulfateProcessing Aid
An inert inorganic salt used as a diluent and processing aid.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
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
On the label
Adults: Take 1 tablet at or before bedtime. Do not drive or use machinery for 5 hours after taking melatonin. Consult a healthcare practitioner for use beyond 1 month. For jet lag: For occasional short-term use, take once a day at bedtime after darkness has fallen while travelling, and at destination, until adapted to the new daily pattern
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$15.99≈ $11.67
Near the median 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.