BioStacks
Best for
Ingredients (3)
Magnesium
100%Dose
500 mg
Target
100–400 mg
Form
Not listed
Magnesium Carbonate
Amount not found
Magnesium Bisglycinate
Amount not found
Other Ingredients (5)
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.
Rice HullsAnti-caking
Ground outer husk of rice grains used as a plant-based flow and anti-caking agent
Citric AcidAcidulant
Natural acid derived from citrus fruits
Tartaric AcidAcidulant
A naturally occurring fruit acid used to adjust pH and add tartness
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
Mix 1 scoop into your favorite beverage and let the benefits kick in.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$39.99
Pricier than 85% 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.