BioStacks
Best for
Ingredients (3)
Melatonin
100%Dose
1 mg
Target
0.5–5 mg
Form
—
L-theanine
100%Dose
100 mg
Target
100–250 mg
Form
—
GABA (Gamma-Aminobutyric Acid)
100%Dose
100 mg
Target
100–300 mg
Form
—
Other Ingredients (11)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
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.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Natural Color (unspecified)Colorant
Umbrella declaration for a colorant from a natural source (fruit, vegetable, or plant extract) that the label does not name specifically
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
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
Take 1 fast dissolve tablet 30 minutes before bedtime to help fall asleep.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$36.99
Pricier than 95% of 203 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.