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KalmAssure Magnesium Capsules 420 mg

product on market Capsule NaturesPlus Safety: 60/100
60/100

Review before taking

  • Magnesium: 420mg is 1.2× 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 moderate evidence for supporting muscle and nerve function. However, the low safety score suggests potential concerns regarding tolerability or contraindications for certain individuals. Users should be aware of these risks when supplementing.

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

Alerts

Safety Alerts

Magnesium: 420mg is 1.2× 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 more magnesium than the recommended daily upper limit for adults.

Label

Product Label

Label for KalmAssure Magnesium Capsules 420 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

420 mg (100% DV)
Exceeds UL by 1.2× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Vegetable capsule Magnesium Stearate Microcrystalline Cellulose Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

For Daytime or Nighttime Use

Directions: As a dietary supplement, take 4 capsules daily, or as recommended by your health care professional.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Nutritional Support for Healthy Relaxation, Calming and Overall Well-Being.

NaturesPlus KalmAssure Magnesium Capsules deliver 420 mg of natural, calming, essential magnesium in highly bioavailable citrate form. NaturesPlus KalmAssure Magnesium Capsules deliver the highest quality magnesium available to ensure that maximum-strength nerve- and muscle-calming nutrients speedily transport you to a state of healthful relaxation.

CERTIFIED NON-GMO GLUTEN FREE YEAST FREE Free From All Major Allergens (In FALCPA) Food Allergen Labeling and Consumer Protection Act

420 mg Magnesium as Citrate Restores Healthy Magnesium Levels Highest Quality Magnesium Available

Supports Nerve & Muscle Relaxation

Vegan

Free from artificial colors and artificial preservatives.

Additional Information

Feel the difference with NaturesPlus KalmAssure Magnesium Capsules.

Certified NON-GMO Certified GMP Facility Free From All Major Allergens (In FALCPA)

Environmentally Responsible

Keep tightly closed in a cool, dry place.

Metadata

Product Details

UPC / SKU0 97467 33602 5
DSLD Entry Date2023-10-24
Product TypeMineral
FormCapsule
DSLD ID298467
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
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A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
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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
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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.