🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
250 Servings
Single Vitamin and Mineral Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
20 mg (22% DV)
180 mg (43% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 180mg

Other Ingredients

Hypromellose Water Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Take one to two capsules daily or as directed by a physician.

⚠️ Warnings & Precautions

Keep out of reach of children. Formulated for adults. For children, consult a physician.

Caution: Magnesium supplements can cause changes in stool consistency and bowel habits. If this occurs, discontinue use and discuss this matter with your physician.

🧪 Formulation Notes

Free of: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, and sesame

Hypoallergenic

Gluten-free

Relaxes nerves and muscles and promotes restful sleep

Additional Information

Important: Store in a cool dry place and tightly capped.

Ultra tested cGMP

Product Details

UPC / SKU 8 12325 02082 9
DSLD Entry Date 2024-09-25
Product Type Single Vitamin and Mineral
Form Capsule
Brand Kirkman
DSLD ID 317693
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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