Magnesium L-Threonate®

Other Combinations

Brand: Swanson

CapsuleOther CombinationsOff Market

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

Net Contents

90 Veggie Capsule(s)

Serving Size

1 Vegetarian Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 87614 02700 5

Product Version

SWU700 Rev 0 03 28 18

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 Vegetarian 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 FlourHypromellose

Target Groups

Adult (18 - 50 Years)

Label Claims

NutrientAll 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: All Other

Warning: For adults only.

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: Children

Keep out of reach of children.

Precautions re: All Other

Do not use if seal is broken.

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

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

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

Supports learning and memory 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. Magtein is covered by U.S. patents #8,178,118 and #8,142,803 and patents pending.

General Statements: All Other Content

Nervous System Support

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

Featuring Magtein

General: Product/Version Code

SWU700 Rev 0 03 28 18

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
Swanson Health Products4.8(9800)
$9.42
Magtein Source Naturals
Swanson Health Products4.7(2100)
$60.19
Swanson Vitamins Triple Magnesium Complex 2 Pack Vitamin | 400 mg | 300 Vegan Caps
Swanson Health Products4.9(276)
$25.21
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.

ITL Health
5.0 (37)
Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Directions 0118 321 7628
Nutriburst
4.6 (30)
Manufacturer
8 Waterloo Pl, London SW1Y 4BN
Directions 020 3943 8201
Minerva Wellness
5.0 (21)
Vitamin & Supplements Shop
71-75 Shelton St, London WC2H 9JQ
Directions 020 7459 4641
Prodentim
5.0 (1)
Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Directions 028 6745 7567
Nutrapad Ltd –Pharmacy-friendly, Hydration, Immunity & Wellness Support - oxford street
5.0 (4)
Vitamin & Supplements Shop
41 Bloomsbury Way, London WC1A 2SA
Directions 07904 096549
Aphro-D
4.9 (82)
Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AF
Directions +1 224-241-7531
Metulas Supplements
5.0 (26)
Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AX
Directions 01202 296438
Protiv Nutrition
5.0 (1)
Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Directions 07442 915758

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

Related News

Magnesium Forms Explained: Oxide, Citrate, and Glycinate
The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.
VitaSuppTrack Editorial· Jun 24, 2026

Browse all articles

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-01-07. DSLD Label ID: 185014. 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.