100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
Limited research evidence available for ingredients

B Label Compliance Grade

Label

Product Label

Open Full PDF View on NIH DSLD →

Details

Label Data

2 Capsule(s)

Serving Size

Servings

Mineral

Product Type

Evidence Coverage

Ingredients

Supplement Facts — Evidence Check

Magtein

2000 mg (34% DV)

Other Ingredients

Hypromellose Acacia Gum White Rice Flour

Claims

Label Claims — Verification

Unverified Nutrient

Unverified All Other

Info

Product Information

Directions for Use

Directions: Adults. As a supplement, take 2 capsules two times daily or as directed by the practitioner.

Warnings & Precautions

Cautions: Do not exceed the recommended daily dose. Tamper evident: Do not use if seal under cap is broken or missing.

Keep out of reach of children.

Consult a healthcare provider before using this product if pregnant, breastfeeding, or having health concerns.

Formulation Notes

Magtein Magnesium L-Threonate 2000 mg per day

Guarantees: Vegan, non-GMO, gluten free, soy free, dairy free.

Guarantees: Vegan, non-GMO, gluten free, soy free, dairy free. No coloring, preservatives, or flavorings.

Good Manufacturing Practice, FDA registered lab, made in USA.

Each capsule contains 500 mg of Magtein.

Additional Information

Store away from direct light, heat and humidity.

Metadata

Product Details

UPC / SKU5 453003 826224

DSLD Entry Date2025-07-24

Product TypeMineral

FormCapsule

BrandSuperSmart

DSLD ID332706

Data Updated2026-04-11

Research

Research Evidence

849

Research Sources

Avg Quality

450

Meta Analysis

152

Rct

137

Systematic Review

Clinical Trial

Regulatory Source

Other

Guideline

Openfda Safety

Cochrane Review

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 PubMed DOI

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 PubMed DOI

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 PubMed DOI

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 PubMed DOI

A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems

Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI

A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps

Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI

A Calcium and vitamin D for increasing bone mineral density in premenopausal women

Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI

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 PubMed DOI

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 PubMed DOI

A Calcium channel blockers versus other classes of drugs for hypertension

Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI

View all evidence for Electrolytes →

Compare

Similar Products

Krebs Cycle Magnesium

T/H/P/ Inc. · Capsule

100

Calcium Pangamate

Douglas Laboratories · Capsule

100

Coral Calcium 1000 mg

Bronson Laboratories · Capsule

100

Coral Calcium 1000 mg

Bronson Laboratories · Capsule

View all Electrolytes products →

Electrolytes research Best Electrolytes All Electrolytes products More from SuperSmart View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.