BioStacks
Best for
Ingredients (9)
Melatonin
100%Dose
5 mg
Target
0.5–5 mg
Form
—
Magnesium
100%Dose
300 mg
Target
100–400 mg
Form
Standard
GABA
100%Dose
500 mg
Target
100–300 mg
Form
—
Passionflower Aerial Parts Extract
80%Dose
200 mg
Target
250–500 mg
Form
—
Skullcap Aerial Parts
70%Dose
70 mg
Target
100–1000 mg
Form
—
Other Ingredients (7)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
Hydroxypropyl CelluloseBinder
An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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
On the label
1 to 2 tablets as desired 30 to 60 minutes before going to sleep. Do not exceed directed use.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$13.65
Near the median of 203 melatonin supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.