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Magnesium Oxide 400 mg

product on market Tablet or Pill Geri-Care Safety: 60/100
60/100

Review before taking

  • Magnesium: 480mg 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, though evidence for this specific oxide form is often limited. Due to a lower safety score, users should be aware of potential gastrointestinal side effects. Consult a professional regarding dosage and contraindications.

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

Alerts

Safety Alerts

Magnesium: 480mg is 1.4× 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. Specifically, it provides 480mg, which is about 1.4 times the suggested maximum intake.

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
60
Servings
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

480 mg (114% DV)
Exceeds UL by 1.4× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Stearic Acid Magnesium Stearate Hypromellose Talc Titanium Dioxide Polyethylene Glycol Wax
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Adults-Take 1 to 2 tablets daily as a dietary supplement, or as directed by a doctor.

Warnings & Precautions

Do not exceed recommended dose.

Warnings; Consult a physician before use if you are taking any prescription drug or if you have kidney disease.

May have a laxative effect.

As with any supplement, if you are pregnant, nursing or taking medication, ask a health professional before use.

Keep out of reach of children.

In case of overdose, get medical help or contact a Poison Control Center right away. Tamper Evident: Do not use if imprinted seal under cap is missing or broken.

Formulation Notes

Each tablet contains 400 mg Magnesium Oxide, equivalent to approximately 240 mg of elemental Magnesium.

Elemental Magnesium 240 mg per tablet

Product of India

Additional Information

Compare to active ingredient in Mag-Ox 400

Store at room temperature.

Metadata

Product Details

UPC / SKU3 57896 63412 4
DSLD Entry Date2024-06-20
Product TypeMineral
FormTablet or Pill
BrandGeri-Care
DSLD ID309690
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.