🟢 100/100

This product looks safe

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

Product Label

📸

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Label Data

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

Supplement Facts — Evidence Check

500 mg (119% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 500mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Croscarmellose Sodium Stearic Acid Magnesium Stearate Silicon Dioxide Pharmaceutical Glaze

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) Gluten Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take one (1) tablet two times daily with food or as directed by your qualified healthcare professional. Consider taking these other Best Naturals products: Calcium, Vitamin D and Zinc.

⚠️ Warnings & Precautions

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

🧪 Formulation Notes

Magnesium oxide is derived from ancient oceanic deposits and is a rich source of element magnesium (58% average). Magnesium is an essential mineral that plays a key role in the activation of amino acid for protein biosynthesis and is highly concentrated in intracellular fluid and bone. Certain research publications indicate that Magnesium Oxide may help support the following: Supports energy production and metabolism. Supports essential nerve, muscle and heart function. Supports healthy blood circulation.

Premium formula

3rd party lab tested

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no lactose, no gluten, no wheat, no yeast, no fish.

Additional Information

Keep in cool, dry place.

Made in USA

GMP Good Manufacturing Practice Product

Product Details

UPC / SKU 8 17716 01348 0
DSLD Entry Date 2022-06-16
Product Type Mineral
Form Tablet or Pill
DSLD ID 269874
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
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
C Senna Versus Magnesium Oxide for the Treatment of Chronic Constipation: A Randomized, Placebo-Controlled Trial
Rct The American journal of gastroenterology 2021
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
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
C Comparative study between manitol and sodium picosulfate with magnesium oxide solutions in the preparation for colonoscopy.
Rct Revista do Colegio Brasileiro de Cirurgioes
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
View all evidence for Magnesium Oxide →

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