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Magnesium Oxide 300 mg

product on market Capsule Cooper Complete 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 essential for muscle function, nerve transmission, and bone health. There is strong evidence supporting its role in maintaining physiological homeostasis and supporting metabolic processes. The evidence coverage for this specific formulation is limited.

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

Label

Product Label

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

Label Data

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

Supplement Facts — Evidence Check

300 mg (75% DV)
Within RDA (0.7× RDA) 316 studies (A:8, B:159)

Other Ingredients

Hydroxypropyl Methylcellulose Microcrystalline Cellulose Carnauba wax Ascorbyl Palmitate Hydroxypropyl Cellulose Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, adults take one (1) capsule daily or as directed by your health care professional.

Warnings & Precautions

Warning: If you are pregnant or nursing, or if you are taking prescription medications, consult your health care professional before using this supplement.

Keep out of reach of children.

Tamper Resistant - Do not use if imprinted safety seal under cap is broken or missing.

Formulation Notes

Gluten-free, non-GMO

Physician formulated for whole body health

Additional Information

For optimal storage conditions, store in a cool, dry place. (59 degrees-77 degrees F/15 degrees-25 degrees C) (35-65% relative humidity)

Metadata

Product Details

UPC / SKU8 16899 00061 4
DSLD Entry Date2023-03-22
Product TypeMineral
FormCapsule
BrandCooper Complete
DSLD ID283469
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.