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Magnesium 100 mg

product on market Tablet or Pill Thompson Safety: 60/100
60/100

Review before taking

  • Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

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

Magnesium supports nerve function and muscle relaxation, with strong research evidence supporting its role in metabolic health. However, the safety score of 60 indicates potential concerns regarding tolerability or contraindications for certain users. This supplement provides a low dose of a single mineral.

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

Alerts

Safety Alerts

Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)

✨ AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because the amount of magnesium exceeds the recommended tolerable upper intake level. This means the dosage is higher than what is generally considered safe for daily consumption.

Label

Product Label

Label for Magnesium 100 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 mg (100% DV)
Exceeds UL by 1.1× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Cellulose Stearic Acid Silica
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Directions: Use only as directed. Take four tablets daily with food.

Warnings & Precautions

WARNING: Do not use if safety seal is broken or missing.

Keep out of reach of children.

Additional Information

SINCE 1932

ESSENTIAL MINERAL

FRESH HEALTHY

Keep your licensed health care practitioner informed when using this product.

Store in a cool, dry place.

3487601 1107

FOUR DAILY

Metadata

Product Details

UPC / SKU0 31515 19155 8
DSLD Entry Date2014-08-26
Product TypeMineral
FormTablet or Pill
BrandThompson
DSLD ID36326
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.