Magnesium Oxide 400 mg by Graxcell Pharmaceutical, LLC. — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Tablet(s) Serving Size

120 Servings

Mineral Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Magnesium

241.5 mg (60% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 241.5mg

Other Ingredients

Microcrystalline Cellulose Corn Starch Magnesium Stearate

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (100% of products) Structure/Function (78% of products) Nutrient (46% of products)

Target Groups

Adult (18 - 50 Years)

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

Product Details

UPC / SKU 8 63298 00028 8

DSLD Entry Date 2021-12-18

Product Type Mineral

Form Tablet or Pill

Brand Graxcell Pharmaceutical, LLC.

DSLD ID 263544

Data Updated 2026-04-11

Research Evidence

7 Research Sources

45 Avg Quality Score

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 →