BioStacks
Best for
Ingredients (4)
Melatonin
100%Dose
5 mg
Target
0.5–5 mg
Form
—
Magnesium
100%Dose
220 mg
Target
100–400 mg
Form
Premium
L-Theanine
50%Dose
50 mg
Target
100–250 mg
Form
—
Gaba
100%Dose
100 mg
Target
100–300 mg
Form
Not listed
Other Ingredients (7)
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.
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Sodium CarbonatesBuffering Agent
Alkaline buffering agents used to adjust pH and improve stability of supplement formulations
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
Oryza sativa (rice) hull powder
Not reviewed yet
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 scoop (approx. 5.3 g) once daily or as directed by a physician. Add 1 scoop (approx. 5.3 g) to 200–250 mL of water and stir until dissolved. Take as needed, 30 to 60 minutes before bedtime. To enhance the fizz action, slowly add powder to hot or warm water and stir until dissolved
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.