BioStacks
Best for
Ingredients (2)
Magnesium
100%Dose
325 mg
Target
100–400 mg
Form
Premium
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
—
Other Ingredients (5)
Mint and Mandarin FlavorFlavor
A combined mint and mandarin flavoring blend
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
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Best taken in the evening
Magnesium glycinate is the gentlest form on the gut and the one most people take at night. Absorption doesn't change with the clock — consistency does.
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Dissolve 1/2 tablespoon serving of powder in approximately 8 oz of water, juice, smoothie, or other favorite recipe. Use only as directed.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$28.25
Pricier than 72% of 579 magnesium 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.