BioStacks
Best for
Ingredients (5)
Magnesium
100%Dose
250 mg
Target
100–400 mg
Form
Not listed
Spinach powder (stem & leaf)
1%Dose
50 mg
Target
5000–15000 mg
Form
—
Magnesium Malate Complex
Doses not disclosed by manufacturer
Magnesium Citrate
Amount not found
Magnesium Glycinate Complex
Doses not disclosed by manufacturer
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in 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.