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Magnesium Oxide 400 mg

product on market Tablet or Pill Graxcell Pharmaceutical, LLC. Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Magnesium is used to support nerve function and muscle regulation. There is strong research evidence for its role in managing magnesium deficiency and certain metabolic processes. This specific formulation provides 400 mg of magnesium oxide per serving.

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

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
120
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

241.5 mg (60% DV)
Within RDA (0.6× RDA) 316 studies (A:8, B:159)

Other Ingredients

Microcrystalline Cellulose Corn Starch Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Warnings & Precautions

Drug interaction precautions: This product may interact with certain prescription drugs. If you are presently taking a prescription drug, do not take this product without consulting your doctor or other health professional.

Warnings: Not recommended for use in amounts over the recommended daily intake of 400 mg per day (1 tablet).

Consult a doctor before using this product if you have kidney disease or are pregnant or nursing a baby.

May have a laxative effect.

Keep out of reach of children

Do not use if imprinted safety seal under cap is broken or missing

Ask a doctor or pharmacist before use if you have a known allergy to this product. Stop use and contact a doctor if allergic reaction occurs.

Formulation Notes

Essential mineral

Uses: Helps maintain muscle and nerve function and normal heart rhythm & blood pressure. Helps absorption of calcium and potassium.

Additional Information

NDC 70795-1151-2

Other information Store at room temperature Keep lid tightly closed in a dry place

Metadata

Product Details

UPC / SKU8 63298 00028 8
DSLD Entry Date2021-12-18
Product TypeMineral
FormTablet or Pill
DSLD ID263544
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.