BioStacks
Micro Ingredients

Pure Magnesium Glycinate 400 mg

3 Capsules · 80 servings · $0.12/serving

68 / 100Good

Best for

Score Breakdown

Formulation
78
Safety
87
Final score
68/100

Ingredients (3)

Magnesium Glycinate

100%

Dose

400 mg

Target

100–400 mg

Form

Premium

Vitamin C

82%

Dose

204 mg

Target

250–2000 mg

Form

Budget

Magnesium

100%

Dose

400 mg

Target

100–400 mg

Form

Not listed

Other Ingredients (4)

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

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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.