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Magnesium 500 mg

product on market Other (e.g. tea bag) Sundown Naturals Safety: 60/100
60/100

Review before taking

  • Magnesium: 500mg is 1.4× 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 evidence for its role in metabolic processes. However, the low evidence coverage for this specific formulation and a safety score of 60 suggest potential concerns regarding purity or adverse reactions. Users should be aware of possible gastrointestinal side effects.

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

Alerts

Safety Alerts

Magnesium: 500mg is 1.4× the Tolerable Upper Intake Level (350mg)

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

This product received a low safety score because it contains 500mg of magnesium, which exceeds the recommended daily upper limit of 350mg.

Label

Product Label

Label for Magnesium 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

500 mg (125% DV)
Exceeds UL by 1.4× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Vegetable Cellulose Dicalcium Phosphate Contains <2% of:
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take one (1) caplet daily, preferably with a meal.

Warnings & Precautions

Keep out of reach of children.

Tamper Resistant: Do not use is seal under cap is broken or missing.

As a reminder, discuss the supplements and medications you take with your health care providers.

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

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

Formulation Notes

Smart facts ~ No preservatives

Vegetarian formula

100% free of No dairy/lactose No artificial flavors

Non-GMO. No gluten, no wheat, no milk, no lactose, no artificial flavor, no artificial sweetener, no preservatives, no sugar, no soy, no starch, no yeast, no fish. Sodium free.

Additional Information

~ Essential mineral

Store at room temperature and avoid excessive heat.

Made in the USA with select ingredients from around the world

Prod. No. 65319 00A B5536

Supports bone & muscle health

No diary/lactose Non-GMO GF Certified Gluten-free

Metadata

Product Details

UPC / SKU0 30768 30173 6
DSLD Entry Date2018-03-23
Product TypeMineral
FormOther (e.g. tea bag)
BrandSundown Naturals
DSLD ID175100
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.