BioStacks
Best for
Ingredients (1)
Magnesium
100%Dose
325 mg
Target
100–400 mg
Form
Budget
Other Ingredients (3)
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.
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
Often taken at night for relaxation and sleep, but absorption is the same anytime — consistency matters most.
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Start with 1/2 teaspoon daily, gradually increasing to 2 teaspoons daily; just mix with water, fizz, sip, chill and feel the power of CALM
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$18.99
Near the median of 574 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.