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Magnesium Oxide Powder

product on market Powder BulkSupplements.com 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 muscle and nerve function, with strong evidence for its role in metabolic processes. However, the low safety score suggests potential concerns regarding gastrointestinal tolerance or interactions. Evidence coverage for this specific formulation remains very limited.

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 lower score because it contains 500mg of magnesium, which exceeds the recommended daily upper limit of 350mg.

Label

Product Label

Label for Magnesium Oxide Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

835 mg
Serving Size
599
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg (119% DV)
Exceeds UL by 1.4× (UL: 350 mg) 316 studies (A:8, B:159)
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 835 mg (about 1/3 tsp) once daily with water, or as directed by a physician.

Warnings & Precautions

Always consult your physician before taking any dietary supplement.

Keep out of reach of children.

Formulation Notes

Magnesium Oxide Powder 835 mg per serving

Free of: Sugar, soy, dairy, yeast, gluten, additives

Additional Information

Use an accurate milligram scale.

Contents are sold by weight, not volume. Settling may occur. Store in a dry, cool, dark place.

New

Metadata

Product Details

UPC / SKUX00155LNE7
DSLD Entry Date2025-05-21
Product TypeMineral
FormPowder
DSLD ID329720
Data Updated2026-04-11
Research

Research Evidence

7
Research Sources
45
Avg Quality
6
Rct
1
Meta Analysis
C Effectiveness and safety of polyethylene-glycol-4000 versus sodium picosulphate plus magnesium oxide and citric acid for bowel cleansing before colonoscopy in children: A systematic review with meta-analysis
Meta Analysis Journal of pediatric gastroenterology and nutrition 2025 PubMed DOI
C A randomized controlled study of effects of dietary magnesium oxide supplementation on bone mineral content in healthy girls
Rct The Journal of clinical endocrinology and metabolism 2006 PubMed
C Senna Versus Magnesium Oxide for the Treatment of Chronic Constipation: A Randomized, Placebo-Controlled Trial
Rct The American journal of gastroenterology 2021 PubMed DOI
C The efficacy of magnesium oxide and sodium valproate in prevention of migraine headache: a randomized, controlled, double-blind, crossover study.
Rct Acta neurologica Belgica PubMed DOI
C A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps.
Rct Nutrition journal PubMed DOI
C Comparative study between manitol and sodium picosulfate with magnesium oxide solutions in the preparation for colonoscopy.
Rct Revista do Colegio Brasileiro de Cirurgioes PubMed DOI
C Effect of magnesium oxide or citrate supplements on metabolic risk factors in kidney stone formers with idiopathic hyperoxaluria: a randomized clinical trial.
Rct Magnesium research PubMed DOI
View all evidence for Magnesium Oxide →
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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.