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

Supplement Facts — Evidence Check

420 mg (100% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 420mg

Other Ingredients

Gelatin Potato Starch Magnesium Silicate Medium Chain Triglycerides Croscarmellose Sodium Magnesium Aspartate Silica

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)

Product Information

📋 Directions for Use

Directions: Take one capsule daily.

⚠️ Warnings & Precautions

Warning: If you are pregnant or nursing, taking any medication, or have any medical condition, consult a health care professional before use.

Keep out of reach of children.

🧪 Formulation Notes

Great formula bottled and packaged in the USA

New look, same great formula

Twinlab Magnesium Caps are easy to swallow and are well tolerated by most highly allergic individuals.

No artificial colors, flavors or preservatives added.

Muscle, nerve & heart support

420 mg per capsule

Additional Information

Keep tightly closed in a cool, dry place.

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Product Details

UPC / SKU 0 27434 01021 4
DSLD Entry Date 2022-06-16
Product Type Mineral
Form Capsule
Brand Twinlab
DSLD ID 268471
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
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