Magnesium L-Threonate®

Minerals

Brand: Swanson

CapsuleMineralOn Market

Functions

Sleep, Mood & Stress

Product label for Magnesium L-Threonate — Click to view full label

Net Contents

90 Veggie Capsule(s)

Serving Size

1 Veggie Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 87614 02700 5

Product Version

SWU700 Rev 1 02 13 19

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1 Veggie Capsule(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Magnesium(Magtein Magnesium L-Threonate)	48 mg	11%
Magtein(Magnesium L-Threonate)	670 mg	—

Not Present

Other Ingredients

Brown Rice FlourHypromelloseCalcium Palmitate

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement take one veggie capsule in the afternoon and two veggie capsules in the evening with water.

Warnings & Precautions

Precautions re: Children

Warning: For adults only. Keep out of reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Consult your physician before using this or any product if you are pregnant or nursing, taking medication, or have a medical condition.

Precautions re: All Other

Do not use if seal is broken.

Storage

Store in a cool, dry place.

Formulation

Formulation re: Other

Only form of magnesium shown to cross the blood-brain barrier to promote optimum levels within the brain Supports learning and memory

Formulation re: Other

Nervous system support

Formula re: Contains

Featuring magtein

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

Mineral Supplement

Other Label Statements

General Statements: All Other Content

Swanson.com or call 1-800-437-4148

General Statements: All Other Content

Science-Backed Quality Since 1969

Brand IP Statement(s) re: (c), (TM), (SM)

Magtein (Magnesium L-threonate) is a trademark of Magceutics, Inc. and is distributed exclusively by AIDP, Inc. Magetin is covered by U.S. patents #8,178,118 and #8,142,803 and patents pending.

Manufacturer & Distributor

Distributor

Swanson Health Products

Fargo, ND, 58104, USA

1-800-437-4148

Market Reference

$5.97 – $147.19· 40 listings

Swanson Magnesium L-Threonate
Swanson Health Products4.5(821)
$36.79
Swanson Magnesium L-Threonate Mineral Supplement Promoting Nervous System Health
Walmart - Pattern5.0(1)
$147.19
Life Extension Neuro Mag Magnesium L Threonate
Swanson Health Products4.8(21000)
$31.50
Swanson Triple Magnesium Complex 400 mg
Swanson Health Products4.8(20000)
$11.91
Swanson Albion Magnesium Capsules
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$9.42
Swanson Vitamins Triple Magnesium Complex 2 Pack Vitamin | 400 mg | 300 Vegan Caps
Swanson Health Products4.9(276)
$25.21
Magtein Source Naturals
Swanson Health Products4.7(2100)
$60.19
Swanson Vitamins Triple Magnesium Complex 3 Pack Vitamin | 400 mg | 300 Vegan Caps
Swanson Health Products4.9(276)
$37.82

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

Cymbiotika LLC
4.7 (345)
Vitamin & supplements store
5825 Oberlin Dr #5, San Diego, CA 92121
Directions (855) 983-8888
Village Green Apothecary
4.8 (489)
Vitamin & supplements store
5415 W Cedar Ln, Bethesda, MD 20814
Directions (301) 530-0800
Regal Supplements
5.0 (1)
Vitamin & supplements store
159 NY-303, Valley Cottage, NY 10989
Directions (845) 536-5511
Pure Encapsulations Inc
3.3 (16)
Vitamin & supplements store
490 Boston Post Rd, Sudbury, MA 01776
Directions (800) 753-2277
Piping Rock Health Products
3.3 (531)
Vitamin & supplements store
2120 Smithtown Ave, Ronkonkoma, NY 11779
Directions (800) 544-1925
Designs For Health
3.7 (3)
Vitamin & supplements store
31 Lupi Ct, Palm Coast, FL 32137
Directions (860) 623-6314
AgeImmune
Vitamin & supplements store
59 E 54th St #62, New York, NY 10022
Directions (732) 440-8447
Mindworks Innovations, Inc.
Vitamin & supplements store
1929 Main St Unit 106, Irvine, CA 92614
Directions (888) 850-5287

Research & Studies

Effects of vitamin C and magnesium L-threonate treatment on learning and memory in lead-poisoned mice
K Bislimi, I Mazreku, J Halili, V Aliko, K Sinani… - Journal of Veterinary …, 2021 - sciendo.com
… vitamin C (vit C) and magnesium L-threonate (MgT) on the learning … It is the cause of one of the most serious global health … as the product Magtein was procured from Swanson Vitamins…
20217 citations
Activity of Catalase (CAT), ALT and AST in Different Organs of Swiss Albino Mice Treated with Lead Acetate, Vitamin C and Magnesium-L-Threonate.
IN Mazreku, H Ahmetaj, V Aliko, K Bislimi… - Journal of Clinical & …, 2017 - researchgate.net
… The Magnesium L-threonate was used in our research to … Magnesium-Lthreonate was procured from Swanson Vitamins (… prescribed vitamins by the medical professionals, hence our …
20172 citations
A practical narrative review on the role of magnesium in cancer therapy
D Sambataro, G Scandurra, L Scarpello, V Gebbia… - Nutrients, 2025 - mdpi.com
… Oral supplementation of magnesium-L-threonate did not … or not monitoring and/or supplementing Mg 2+ to cancer … , maintaining adequate Mg 2+ levels supports overall health and …
202516 citations
Application of herbs and dietary supplements in ADHD management
R Mallya, B Naik, M Momin - CNS & Neurological Disorders …, 2023 - benthamdirect.com
… is a subject matter of debate in the medical fraternity across the globe but yet, a … as Magnesium-L-threonate sulfonate was used, which significantly elevated the levels of magnesium in …
20236 citations
Dietary supplements and bioactive compounds for managing Parkinson's Disease
A Kulkarni, I Baghdasaryan, M Avagyan… - Dietary Supplements …, 2026 - ffhdj.com
… Magnesium L-threonate enhances brain magnesium … (30 mg/kg/day for 7 days), chronic oral magnesium L-threonate (0.8–… Fisetin is a senotherapeutic that extends health and lifespan. …
20262 citations
Integrative natural health solutions for midlife women
V Dahia, W Shannon, A Suraev, S Villella… - Frontiers in …, 2025 - frontiersin.org
… products marketed as “supplements” to enhance health and/or … magnesium glycinate (enhancing sleep quality), magnesium taurate (cardiovascular health), and magnesium L-threonate…
20252 citations

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Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-09-25. DSLD Label ID: 308658. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.