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Magnesium 300 mg

product on market Capsule MegaFood Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Magnesium is supported by strong evidence for its role in muscle and nerve function. Spinach provides a whole-food source of this mineral, though overall evidence coverage for this specific formulation is limited. The ingredient profile maintains a high safety rating.

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

Label

Product Label

Label for Magnesium 300 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

300 mg (71% DV)
Within RDA (0.7× RDA) 316 studies (A:8, B:159)
Spinach
50 mg

Other Ingredients

Hypromellose Ascorbyl Palmitate Rice Husk Concentrate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Adults take 2 capsules any time of day with food and a beverage.

Once open, consume within three months.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Made without milk, eggs, peanuts, tree nuts, soy, wheat, fish, shellfish and sesame.

Tested 125+ Pesticides Herbicides Glyphosate Residue free detoxproject.org Made without 9 Food Allergens Gluten Free

Vegetarian

Citrate, Malate, Glycinate

An essential mineral for muscle relaxation

MegaFood Magnesium 300 contains three synergistic forms of magnesium to help support a healthy heart, nervous system, and muscle relaxation.

Formulated to be gentle and effective.

Satisfaction guaranteed or your money back.

Additional Information

Learn about our seals: megafood.com/standards

Tested 125+ Pesticides Herbicides Glyphosate Residue free detoxproject.org Vegetarian Certified B Corporation

Store tightly sealed in a cool place and avoid exposure to moisture.

Metadata

Product Details

UPC / SKU0 51494 10396 8
DSLD Entry Date2025-04-24
Product TypeBotanical with Nutrients
FormCapsule
DSLD ID327567
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
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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.