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

Supplement Facts — Evidence Check

150 mg (36% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 150mg

Other Ingredients

Calcium Laurate Hypromellose Rice Flour

Label Claims — Verification

Nutrient
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

Vegan Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free

Product Information

📋 Directions for Use

Suggested Adult Use: Take 1 capsule in the morning and 2 capsules two hours before bedtime, or as recommended by a nutritionally informed physician.

⚠️ Warnings & Precautions

Warning: Consult your physician if taking prescription drugs with Magtein.

Not recommended for children or women who are pregnant or breastfeeding.

Not recommended for children or women who are pregnant or breastfeeding.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Doctor’s Best Brain Magnesium contains Magnesium L-Threonate from Magtein, a unique magnesium compound that helps support the health of neurons and synaptic plasticity. Magtein helps support healthy levels of magnesium essential for brain connections (synapses) that facilitate learning, memory, concentration, and all other cognitive functions. Magtein performs better than other magnesium compounds for synapse support and is a breakthrough in brain health.

Unique delivery of magnesium to the brain Helps support memory, learning and concentration Helps support stability and adaptability of brain connections (synapses)

Helps support healthy memory and cognitive function

Magtein Think clearly

Vegan

Non-GMO Gluten free Soy free

Additional Information

Store in a cool dry place.

Product Details

UPC / SKU 7 53950 00283 8
DSLD Entry Date 2022-07-21
Product Type Mineral
Form Capsule
DSLD ID 269596
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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