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100% Pure Magnesium L-Threonate

Single-source magnesium L-threonate supplement with no blends for better absorption.

  • 100% magnesium L-threonate, no blended forms
  • Expertly formulated for purity & potency
  • Provides 50 mg elemental magnesium per serving
  • Helps support normal muscle function
  • Helps maintain normal electrolyte balance

Choose a magnesium without blends, fillers, or guesswork.

$24.99 $0.41 per serving
Dietary Features
Non-GMOVegetarianGluten-FreeLactose-FreeNaturally-Sourced

About Jamieson 100% Pure Magnesium L-Threonate

Jamieson Magnesium L-Threonate is a single-form magnesium supplement made with 100% L-threonate. It provides a lower amount of elemental magnesium in a non-blended format, making it a more focused option compared to multi-form or high-dose magnesium products. Designed for those who prefer a simple, clean, and transparent magnesium.

What Makes it Different?

Unlike blended or high-dose magnesium supplements, this formula uses L-threonate only. It’s designed for those who prefer a clean, simpler, more targeted approach to magnesium.

Product Information
Medicinal Ingredients
Ingredient Amount
Elemental Magnesium 50 mg (From Magnesium L-Threonate 625 mg
Also Contains

Water-soluble cellulose, cellulose, dicalcium phosphate, vegetable stearic acid, silica, vegetable magnesium stearate.

Directions

Adults: Take 1 capsule daily. Store between 15°C - 25°C, away from children.

Ideal For: • Adults looking to support their cognitive health, including ability to focus • Individuals supporting normal muscle function, including heart muscle • Those seeking a highly absorbable magnesium supplement • People who prefer a single-form (non-blended) magnesium Not Intended For: • Children • Pregnancy/breastfeeding unless advised by a healthcare professional • Individuals with kidney conditions should consult a healthcare professional
NPN: 80143940 SKU: 31002418 UPC:064642103413
$24.99 $0.41 per serving
100% Pure Magnesium L-Threonate
$24.99

Is Magnesium L-Threonate Right For You?

Jamieson Magnesium L-Threonate is best suited for those who prefer a lower-dose, single-form magnesium rather than a high-dose or blended product. If you’re comparing magnesium types, this format is often selected for its simplicity and single-ingredient composition.*

Find your Magnesium fit:

What you’ll notice L-Threonate Bisglycinate Citrate Multi-Form Blends
Stomach feel Light and easy Very gentle More digestive activity Depends on the blend
Best for Targeted magnesium support with superior absorption Everyday relaxation and stress support routines Digestive support Higher magnesium variety
Magnesium potency Low but effective Balanced Moderate to high Often higher
Overall experience Targeted and effective Calm and balanced More noticeable Fuller spectrum feel

*It is important to consult your trusted healthcare practitioner before adding any new natural health supplement to your routine.

How Does Magnesium L-Threonate Work?

Magnesium plays a role in many essential functions in the body, including muscle function, electrolyte balance, and energy production.

Magnesium L-threonate is a form of magnesium bound to threonic acid, a compound derived from vitamin C metabolism. This structure influences how the magnesium is transported and utilized in the body.

Frequently asked questions

Magnesium L-threonate is used as a source of magnesium to help support overall health. Magnesium plays a role in muscle function, electrolyte balance, and energy metabolism. This form is often chosen by those looking for a specific type of magnesium rather than a blended or high-dose option.

This product provides magnesium exclusively in the L-threonate form, rather than blending multiple forms of magnesium. This ensures all magnesium comes from a single, highly bioavailable source.

Magnesium L-threonate is a form of magnesium bound to L-threonic acid. It is known for its high bioavailability, allowing magnesium to be easily absorbed and used by the body.

Magnesium L-threonate provides a lower amount of elemental magnesium because of how the compound is structured. The total weight includes both magnesium and the compound it is bound to, so the elemental magnesium per serving is lower compared to some other forms.

Take the recommended daily dose (1 capsule daily) as directed on the product label. Magnesium L-threonate can typically be taken daily as part of your routine, with or without food. Always follow the recommended dosage and consult a healthcare professional if you have questions about use.

Learn More About Magnesium L-Threonate

Learn how Magnesium L-Threonate supports superior absorption and gentle digestion — plus what to look for when choosing the best magnesium supplement for your needs.

Read the Article

Why Choose Jamieson

Trusted for Over 100 Years

Proudly Canadian since 1922 and trusted for our leading quality standards.

Comprehensive Quality Assurance

Every formula is tested for purity, potency, and consistency in cGMP facilities.

Pure & Traceable Ingredients

Carefully selected ingredients tested for quality and contaminants.

Researched & Effective Formulas

Developed using the latest research & guided by our Scientific Advisory Board.

Overall rating: 4.6666665 / 5 from 3 reviews.

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No side effects. Slight positive

"No side effects. Slight positive improvement in digestive behaviour."

— Stuart B. (4/5)

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