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Magnesium 200 mg

product on market Tablet or Pill Mason Natural 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 is supported by strong evidence for supporting nerve function and muscle relaxation. However, the limited evidence coverage for this specific formulation and a safety score of 60 suggest potential concerns regarding purity or tolerability. Users should be aware of possible gastrointestinal side effects.

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 daily upper limit for safety.

Label

Product Label

Label for Magnesium 200 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
50
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

Microcrystalline Cellulose Maltodextrin Stearic Acid Vegetable Magnesium Stearate Silicon Dioxide Hydroxypropyl Cellulose Hydroxypropyl Methylcellulose Croscarmellose Sodium Titanium Dioxide Glyceryl Triacetate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults - Take two tablets daily, preferably with food, as a dietary supplement.

Warnings & Precautions

Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

Formulation Notes

May support nervous system & heart health

Guaranteed no added: Sugar, yeast, soy, wheat, dairy, gluten, fish, tree nuts, peanuts, egg, fragrance, artificial colors or flavors, preservatives, animal products, crustacean shellfish. Sodium free.

Gluten free Soy free

Additional Information

Mason Guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice

Certified N Mason natural Est. 1967

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Please recycle

Metadata

Product Details

UPC / SKU3 11845 09611 1
DSLD Entry Date2021-03-25
Product TypeMineral
FormTablet or Pill
BrandMason Natural
DSLD ID244823
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.