Vitacheck Magnesium Threonate 667mg Magtein, Enhances Cognitive Function, Supports Learning, Memory, Brain Health, 120 Vegetable Capsules CLEARANCE 25% Off Expiry May 2028 Final Sale

Vitacheck Magnesium Threonate Magtein™ Details

Vitacheck Magnesium Threonate Magtein™ is a Vitamart Exclusive brain-focused magnesium supplement featuring clinically researched Magtein® Magnesium L-Threonate — the only magnesium form specifically designed to cross the blood-brain barrier and raise brain magnesium levels. Each 3-capsule serving delivers 2,000 mg of Magtein® L-Threonate (144 mg elemental magnesium). 120 vegetarian capsules. Made in Canada. Non-GMO, gluten-free, dairy-free, soy-free, shellfish-free, wheat-free.

Vitamins Lowest Prices | Lowest Price in Canada — Guaranteed | Ships from Ontario across Canada

Quick Facts

Who Vitacheck Magnesium Threonate Is For

• Adults wanting brain-focused magnesium support — memory, focus, cognitive clarity
• People navigating cognitive aging who want a research-backed brain nutrient
• Students, professionals, and anyone with high cognitive demands
• People experiencing brain fog or mental fatigue
• Adults who already take magnesium bisglycinate or citrate for sleep/muscles and want to add brain magnesium
• People with a sensitive digestive system — Magnesium L-Threonate has no laxative effect

Who this product is NOT for: If you mainly want magnesium for muscle relaxation, sleep, or daily replenishment, Vitacheck Magnesium Bisglycinate is more accessible price-wise and better suited to those goals. If you specifically want a powder format that combines multiple forms of magnesium for both body and brain, Xymogen OptiMag Threonate is the practitioner-grade option. If you have kidney disease, talk to your healthcare practitioner before using any magnesium supplement.

Vitamart's Take

Vitacheck Magnesium Threonate is our brain-focused magnesium, made with Magtein — the form studied for memory and focus. Most magnesium supports your body; this one is made to reach your brain, which is why people choose it for mental clarity and sharper focus as they age. It's gentle and won't upset your stomach. It's also one of our Vitamart Exclusive brands, so you get this brain-support magnesium at an everyday price. Give it a few weeks to do its thing.

How Vitacheck Magtein™ Compares

Vitacheck Magtein™ vs Naka Pro Magnesium L-Threonate

Vitacheck Magtein™ (this product): Made with genuine Magtein® L-Threonate and one of our Vitamart Exclusive brands, made in Canada at an everyday price.
Naka Pro Magnesium L-Threonate: From Naka Original. Both are quality choices — pick the brand that fits you.

Vitacheck Magtein™ vs Xymogen OptiMag Threonate

Vitacheck Magtein™ (this product): Pure single-form Magtein® L-Threonate. Capsule format. Vitamart Exclusive brand.
Xymogen OptiMag Threonate: Practitioner-grade powder combining Magtein® with magnesium glycinate and malate. Broader functional support. Premium-priced.

Magnesium L-Threonate vs Magnesium Bisglycinate

L-Threonate (this product): Specifically targets brain magnesium for cognitive support. Higher per-mg cost reflects the specialized delivery technology.
Magnesium Bisglycinate: Targets body magnesium — muscles, sleep, stress. Lower cost per mg. A different magnesium for different goals. Many people use both: bisglycinate for the body, L-Threonate for the brain.

What Is Magnesium L-Threonate (Magtein®)?

Magnesium L-Threonate was developed by MIT-trained researchers in the late 2000s to solve a specific problem: standard magnesium supplements raise blood magnesium effectively but don't meaningfully raise brain magnesium levels. The threonate carrier (derived from vitamin C metabolism) was specifically designed to cross the blood-brain barrier.

What the research has shown:

• Brain magnesium delivery: Animal studies and early human studies show Magtein® raises cerebrospinal fluid magnesium where other magnesium forms don't.
• Cognitive support: Published research suggests benefits for memory, learning, and synaptic plasticity (the brain's ability to form new connections).
• Cognitive aging: Some research suggests potential benefit for age-related cognitive decline, though the research is still developing.
• Sleep quality: Some users notice sleep improvements, likely related to nervous system support.

Magtein® is patented — every product using genuine Magtein® L-Threonate uses the same standardized ingredient. The difference between brands is the carrier capsule, dose per serving, and price.

How To Use

Adults: Take 3 capsules daily — split as 2 in the morning and 1 in the evening, or all 3 in the evening, with or without food. Consistency over weeks matters more than time of day. The 144 mg of elemental magnesium per 3-capsule serving matches the dose used in published Magtein® research.

Most people notice early effects within 2-4 weeks of consistent use; full effects may take 6-8 weeks as brain magnesium levels build. Talk to a healthcare practitioner before use if you have kidney disease, take medications, or are pregnant or breastfeeding.

Frequently Asked Questions

Pairs Well With

• Vitacheck Magnesium Bisglycinate — different magnesium form for body, sleep, and muscle support
• Brain & Memory Support Supplements — cognitive-focused pairing
• Omega-3 Fish Oils — DHA supports brain function alongside magnesium
• Sleep Support Supplements — if sleep is also a goal

💡 Subscribe & save up to 10% on every order — never run out of your daily supplements.

Compare Similar Products

• Naka Pro Magnesium L-Threonate — Magtein® L-Threonate from Naka Original.
• Xymogen OptiMag Threonate — Practitioner-grade Magtein® powder with added magnesium forms.
• All Magnesium Supplements — Compare magnesium forms across the catalog.
• Brain & Memory Support — The full brain support category.

About Vitamart and Vitacheck

Vitamart.ca is Canada's vitamin specialist. We've been selling vitamins and supplements to Canadian families since 2005, shipping from our Ontario warehouse to every province. Vitacheck is one of our Vitamart Exclusive brands — quality supplements made in Canada to Health Canada standards, priced for everyday value. We believe in quality products you trust at prices you love — no fancy packaging markups, no pushy upsells, just the vitamins you need at the lowest prices in Canada. Backed by our Low Price Guarantee: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢.

Vitamins Lowest Prices.

Adults take 3 Vitacheck Magnesium Threonate capsules 1 per day.