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Extra Strength Magnesium 400 mg

product on market Softgel Capsule Nature Made Safety: 87/100
87/100

This product is generally safe

  • Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)
  • 33% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Magnesium is supported by moderate to strong evidence for supporting muscle and nerve function. This formulation provides a concentrated dose of the mineral to address potential deficiencies. The product maintains a high safety score, indicating a low risk profile for most users.

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

Alerts

Safety Alerts

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

Label

Product Label

Label for Extra Strength Magnesium 400 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
60
Servings
Mineral
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Fat
0.5 Gram(s) (1% DV)
400 mg (95% DV)
Exceeds UL by 1.1× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Medium Chain Triglycerides Gelatin Glycerin Water Soy Lecithin Colors added yellow Beeswax
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

One 1 softgel per day

Suggested use: Adults, take 1 softgel daily with water and a meal.

Warnings & Precautions

Store tightly closed, in a cool, dry place, out of reach of children.

Do not use if imprinted seal under cap is broken or missing. Caution: Do not exceed one softgel daily or take with other products that contain magnesium, unless recommended by your physician. Product may cause gastrointestinal disturbance, including diarrhea.

Consult a physician before use, if you have kidney disease or if you are taking prescription medications.

Contains: Soy.

Formulation Notes

Essential nutrient: Supports nerve, muscle, heart, and bone health

Magnesium also helps support healthy bones & teeth and helps convert food into cellular energy

No synthetic dyes - Colors derived from natural sources No artificial flavors No preservatives Gluten free

No synthetic dyes - Colors derived from natural sources No artificial flavors No preservatives Gluten free

Encapsulated and quality tested in the USA. Made to guarantee purity and potency standards.

Additional Information

Store tightly closed, in a cool, dry place, out of reach of children.

Metadata

Product Details

UPC / SKU0 31604 02576 2
DSLD Entry Date2022-09-22
Product TypeMineral
FormSoftgel Capsule
BrandNature Made
DSLD ID271641
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.