Investigative research assistant

Photograph any supplement. Get the full investigation.

StackCheck goes beyond reading the label. It researches ingredients, dosages, brand reputation, certifications, testing, customer experiences and value — and explains it in plain English.

Educational information only. StackCheck does not provide medical advice, diagnosis, or treatment. Always speak with a qualified healthcare professional before starting, stopping, or combining supplements, especially if you are pregnant, taking medication, or managing a health condition.

9:41StackCheck

PureForm

Magnesium Glycinate

Reasonable option
0of 100
Formula0
Brand trust0
Safety / QA0
Value0
Brand publishes GMP facility; NSF certification not found in directory.

Formula analysis

Ingredient-by-ingredient evidence, form, dosage and proprietary-blend flags.

Brand investigation

Manufacturing transparency, sourcing, certifications, regulatory history.

Testing & safety

Independent lab tests, recalls, contaminant testing — separated from brand claims.

Reputation & value

Verified-purchase patterns, anecdotal themes, price per meaningful serving.

How an investigation works

From four photos to a fully cited research report.

  1. 01

    Capture

    Photograph the front label, supplement facts, ingredients and warnings — or upload them.

  2. 02

    Confirm

    Review what StackCheck read from the label. Correct anything that looks off.

  3. 03

    Research

    Live web research investigates the formula, brand, manufacturing, certifications, regulators, retailers and reviews.

  4. 04

    Report

    A clear, source-cited report with verdict, scores and what's missing.

Simple pricing

Live research costs money. Start free; upgrade for unlimited investigations.

Free

$0

  • 2 investigations / month
  • Basic label analysis
  • Save recent reports
  • Educational summaries
Get started
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  • Research refreshes
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$42/yr

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Educational use only

Educational information only. StackCheck does not provide medical advice, diagnosis, or treatment. Always speak with a qualified healthcare professional before starting, stopping, or combining supplements, especially if you are pregnant, taking medication, or managing a health condition.

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