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Magnesium 250 mg

product on market Tablet or Pill GNC Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Magnesium is supported by strong evidence for its role in supporting muscle and nerve function. Research indicates it helps regulate biochemical reactions in the body and supports bone health. This ingredient is generally recognized as safe when taken within recommended dosages.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Magnesium 250 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

250 mg (60% DV)
Within RDA (0.6× RDA) 316 studies (A:8, B:159)

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Methylcellulose Polyethylene Glycol Talc Magnesium Stearate Silicon Dioxide Titanium Dioxide Vegetable Acetoglycerides Polysorbate 80
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take one tablet daily.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Essential for strong bones & teeth Necessary for muscle & nerve function

All mineral amounts shown are elemental. Potency verified by GNC procedure #4000. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

No sugar, no starch, no artificial flavors, sodium free, no wheat, gluten free, no corn, no soy, no dairy.

Ko Kosher Service

Additional Information

Store in a cool, dry place.

90-day supply

Ko Kosher Service

Metadata

Product Details

UPC / SKU0 48107 20580 5
DSLD Entry Date2020-06-24
Product TypeMineral
FormTablet or Pill
BrandGNC
DSLD ID224666
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Electrolytes →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.