🟢 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

3 Capsule(s) Serving Size
60 Servings
Mineral Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

144 mg (36% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 144mg

Other Ingredients

Magnesium Stearate Silicon Dioxide Vegetable Cellulose

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested Use: Take 3 capsules daily, 1 in the morning and 2 together in the evening 2 hours before sleep.

⚠️ Warnings & Precautions

Disclaimer: Consult your doctor if taking prescription drugs with Magtein.

Keep out of reach of children. Not recommended for children nor women who are pregnant or breastfeeding. Do not take this or any other supplement if under the age of 18 or if you have any known or suspected medical conditions.

Not recommended for children nor women who are pregnant or breastfeeding.

Do not use if safety seal is damaged or missing. Maximum dose of 4 grams (4000 mg) per day. Like other magnesium products, Magtein may induce sleepiness, drowsiness or headaches. This may indicate a magnesium deficiency and is temporary. Reduce the dosage, consult a doctor or discontinue use if conditions persist for more than one week.

Additional Information

Keep away from direct sunlight/heat. Store in a cool/dry place.

Transfer scoops are not accurate forms of measurement. A milligram scale is needed to accurately measure dosages.

Storage: Store in a cool and dry place. Keep away from direct sunlight and heat.

Product Details

DSLD Entry Date 2023-05-24
Product Type Mineral
Form Capsule
DSLD ID 285822
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
View all evidence for Electrolytes →

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