Top 10 Best Magnesium Supplements in Canada (2025 Edition)
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Time to read 7 min
Why Magnesium Matters More Than Ever
Magnesium is one of the most essential minerals for human health; it plays a key role in over 300 biochemical reactions in the body. From muscle and nerve function to bone strength and energy production, magnesium is foundational to how our bodies operate. In Canada, magnesium deficiency is surprisingly common due to soil depletion, processed food consumption, and lifestyle stressors that deplete the body’s stores.
Supplementing with high-quality magnesium can aid in relieving muscle cramps, enhancing sleep, reducing stress, supporting heart health, and improving mood. However, not all magnesium supplements are created equal. With so many forms (oxide, citrate, glycinate, threonate) and varying levels of bioavailability, choosing the right product can be overwhelming.
Why Magnesium L-Threonate Is the Smartest Choice
Among all magnesium forms, Magnesium L-Threonate stands out as the most advanced and effective—particularly for those seeking neurological, cognitive, and stress-related benefits. Developed by neuroscientists at MIT, Magnesium L-Threonate is uniquely able to cross the blood-brain barrier; a critical feature that allows it to elevate magnesium levels in the brain more effectively than any other form.
This form of magnesium directly supports brain plasticity, memory function, and sleep quality. It’s also been shown in clinical studies to reduce age-related cognitive decline, making it an excellent choice not only for managing stress and anxiety, but also for long-term brain health. Unlike magnesium oxide or citrate, which may primarily address muscle cramps or digestive issues, L-Threonate targets the root of mental fatigue and sleep disruption by nourishing the nervous system.
This guide cuts through the clutter to present the top 10 best magnesium supplements in Canada for 2025. We’ve evaluated dozens of products based on form, bioavailability, ingredient quality, and user reviews to help you make an informed and confident purchase.
Table of contents
Top 10 Magnesium Supplements in Canada (2025)
🥇 1. For Youth's The Unwind - Magtein® + L-Theanine
✅ Best Overall Magnesium Supplement in Canada
Why it's #1: The Unwind is Canada's premium magnesium supplement, combining clinically researched Magtein® Magnesium L-Threonate with calming L-Theanine for enhanced cognitive clarity, restful sleep, and deep nervous system support. This science-backed blend is designed to address modern stress, mental fatigue, and sleep disruption at the neurological level.
Key highlights:
Contains Magtein® Magnesium L-Threonate , clinically shown to cross the blood-brain barrier for superior cognitive benefits
Synergistically formulated with L-Theanine to promote calm, relaxation, and improved sleep quality
High bioavailability with targeted brain delivery
Naturally derived, vegan, non-GMO, and gentle on the stomach
Third-party tested; manufactured in GMP-certified facilities
Unlike conventional magnesium supplements that focus only on muscle recovery, The Unwind delivers neurological nourishment and sleep optimisation in one clean, premium formula. Ideal for high-performance individuals, night-time unwind routines, or anyone seeking mental balance and quality rest. The only product in this list with Magtein®; combined with calming L-Theanine, The Unwind offers unmatched efficacy for stress relief and sleep quality. Premium-grade ingredients, superior bioavailability, and rigorous manufacturing make it the top choice for Canadians.
2. CanPrev Pure Magnesium Bisglycinate
Why it’s here: A bestseller in Canada, this gentle, stomach-friendly option supports muscle relaxation and sleep.
Key highlights:
200mg elemental magnesium per capsule (bisglycinate form).
Vegan, non-GMO, and practitioner-recommended.
Note: Lacks cognitive-enhancing ingredients like Magtein®.
3. NOW Foods Magtein® Magnesium L-Threonate
Why it’s here: A reputable brand offering patented Magtein® for brain health.
Key highlights:
90 capsules per bottle , with 48mg elemental magnesium per serving.
GMP-certified and soy-free.
Drawback: Lower magnesium concentration vs. The Unwind.
4. Natural Calm Magnesium Powder
Why it’s here: A popular fizzy drink mix with high-absorption magnesium citrate.
Key highlights:
Non-GMO, gluten-free , and available in flavoured/unflavoured options.
3x better absorbed than magnesium oxide.
Caveat: Powder form may inconvenience some users.
5. Webber Naturals Magnesium Bisglycinate
Why it’s here: Affordable and widely available in Canadian retailers.
Key highlights:
200mg elemental magnesium per capsule.
Supports bone and muscle health.
Limitation: Generic formulation without advanced nootropics.
6. BioSchwartz Magnesium Glycinate
Why it’s here: High-absorption capsules with Albion TRACs® for bioavailability.
Key highlights:
360-count bottle , ideal for long-term use.
Free from binders and fillers.
Note: No focus on cognitive benefits.
7. Pure Encapsulations Magnesium Glycinate
Why it’s here: A premium, hypoallergenic option for sensitive users.
Key highlights:
120 capsules with 120mg elemental magnesium per serving.
NSF-certified and gluten-free.
Price: Higher cost per serving than The Unwind.
8. Organika 9-in-1 Magnesium Complex
Why it’s here: Combines 9 magnesium forms for broad-spectrum support.
Key highlights:
Includes glycinate, citrate, and malate.
Canadian-made and non-GMO.
Trade-off: Lower doses of each magnesium type.
9. AOR Advanced Magnesium Complex
Why it’s here: Features three bioavailable forms (glycinate, malate, citrate).
Key highlights:
Supports energy production and muscle function.
Vegan and non-GMO.
Drawback: No Magtein® for cognitive benefits.
10. Naka Platinum Magnesium Bisglycinate
Why it’s here: A potent 200mg elemental magnesium formula.
Key highlights:
Superior absorption with bisglycinate chelate.
Made in Canada.
Missing: Nootropic or sleep-enhancing additives.
📖 Quick Comparison: Top 10 Magnesium Supplements in Canada
Here's an at-a-glance comparison of our top picks:
| Rank | Product | Active Ingredient(s) | Key Benefits | Price Range |
|---|---|---|---|---|
| 1 | For Youth’s The Unwind | Magtein® (L-Threonate), L-Theanine | Cognitive support, deep sleep | $$$ |
| 2 | CanPrev Bisglycinate | Magnesium Bisglycinate | Muscle relaxation | $$ |
| 3 | NOW Magtein® | Magnesium L-Threonate | Brain health | $$ |
| 4 | Natural Calm Powder | Magnesium Citrate | High absorption | $ |
| 5 | Webber Naturals | Magnesium Bisglycinate | Bone health | $ |
| 6 | BioSchwartz Glycinate | Magnesium Bisglycinate | Muscle recovery | $$ |
| 7 | Pure Encapsulations | Magnesium Glycinate | Hypoallergenic | $$$ |
| 8 | Organika 9-in-1 | Multi-form blend | Broad-spectrum | $$ |
| 9 | AOR Advanced Complex | Glycinate, Malate, Citrate | Energy support | $$ |
| 10 | Naka Platinum | Magnesium Bisglycinate | High potency | $$ |
🔍 Buyer’s Guide: How to Choose the Right Magnesium Supplement
When choosing a magnesium supplement in Canada, consider these key factors:
✅ Understand the Different Forms of Magnesium
Magnesium Glycinate : Highly absorbable and gentle on the stomach; excellent for stress and sleep.
Magnesium Citrate : Common and moderately bioavailable; may have a laxative effect.
Magnesium Oxide : Inexpensive but poorly absorbed; not ideal for therapeutic purposes.
Magnesium L-Threonate : Superior for brain and cognitive support; crosses the blood-brain barrier.
✅ Look for Third-Party Testing and Quality Assurance
Quality glutathione should be third-party tested for heavy metals and purity, GMP-certified manufacturing and free from unnecessary additives. Check out For Youth's third party test results here.
✅ Consider Your Needs
If you need support for sleep, stress, or cognitive health, opt for a product with glycinate or threonate. For muscle recovery, citrate or amino acid chelates may be beneficial.
✅ Brand Transparency
Trustworthy companies provide clear ingredient sourcing, scientific references and manufacturing location details.
🏆 Final Verdict: The Best Magnesium Supplement in Canada
After evaluating all options, For Youth's The Unwind emerges as the clear winner for several reasons:
Clinically-Backed Formula : The Unwind combines Magtein® (Magnesium L-Threonate) and L-Theanine; both ingredients are supported by research for their roles in enhancing sleep quality and cognitive function. Magtein® has been shown to improve magnesium levels in the brain, which is essential for neural health and relaxation. L-Theanine, an amino acid found in tea leaves, is known for promoting relaxation without drowsiness.
Superior Absorption : Magtein® is a patented form of magnesium that effectively crosses the blood-brain barrier, ensuring higher bioavailability and efficacy in supporting brain health and sleep quality. This targeted delivery system enhances the supplement's overall effectiveness.
Pharmaceutical-Grade Quality : Made in the United States under strict GMP standards with third-party purity testing - rare for supplements available in Canada.
Holistic Benefits : Beyond promoting restful sleep, The Unwind supports cognitive function, mood regulation, and stress reduction. By facilitating deeper, more restorative sleep, it aids in cellular repair and regeneration, contributing to overall well-being.
Transparent Company : For Youth provides full ingredient sourcing, scientific references, and clear dosage guidelines.
While other magnesium supplements have merit, The Unwind offers the most advanced solution for Canadians seeking restorative sleep and cognitive clarity through clinically supported Magnesium L-Threonate and L-Theanine.
Frequently Asked Questions
❓ What are the main benefits of magnesium?
Magnesium supports over 300 enzymatic processes in the body, including muscle function, nerve health, and energy production. It's also essential for sleep quality, stress management, and cardiovascular health.
❓ What type of magnesium is best for brain and sleep support?
Magnesium L-Threonate (Magtein®) is one of the few forms that crosses the blood-brain barrier effectively. It’s particularly beneficial for cognitive function, focus, and restful sleep.
❓ Can I buy magnesium supplements over the counter in Canada?
Most magnesium supplements are available over the counter in Canada, though some practitioner-only brands require authorization from a healthcare provider. High-quality options like For Youth's The Unwind can be purchased directly online without prescription.
❓ Can magnesium help with anxiety and stress?
Magnesium may help reduce anxiety and stress. Studies show that magnesium deficiency can increase anxiety, and taking supplements might help—especially for people who are prone to stress. Read more on the study here.
❓ Is magnesium safe for daily use?
Yes; magnesium is safe for most people when taken within the recommended dosage. Consult a healthcare provider if you have kidney issues or are on medication.
❓ Can I get enough magnesium from food alone?
While foods like leafy greens, nuts, and seeds contain magnesium, modern diets often fall short; supplementation can help fill the gap. The Unwind from For Youth is an excellent magnesium supplement to add to your daily needs.
