Magnesium Types Compared: Glycinate vs Citrate vs Oxide vs L-Threonate

Magnesium Types Compared: Glycinate vs Citrate vs Oxide vs L-Threonate

Last updated June 2026 · Perla Store Editorial Team · Prices in CAD

Choosing the right magnesium supplement can be challenging with various forms available, each offering unique benefits. In Canada, it's essential to understand these differences to make an informed decision for your health needs.

This page compares common magnesium forms: Glycinate, Citrate, Oxide, Malate, L-Threonate, and Chloride, focusing on their typical uses, elemental magnesium content, and absorption characteristics. Always look for a Natural Product Number (NPN) and consult a healthcare professional before starting any supplement.

Magnesium forms compared

Form Common use Elemental Mg Notes
Glycinate General supplementation 14.1% High absorption, gentle on stomach
Citrate Digestive health 16.2% Good absorption, may aid in digestion
Oxide Cost-effective 60.3% Lower absorption, often used for constipation
Malate Energy support 15% Moderate absorption, may support energy production
L-Threonate Cognitive support 8% Promising brain health benefits, research ongoing
Chloride Hydration support 12% Highly bioavailable, used in IV solutions

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Frequently asked questions

What is the best magnesium supplement for general use in Canada?

Magnesium glycinate is often recommended for general use due to its high absorption rate and gentle effect on the stomach. Always check for an NPN and consult a healthcare provider.

How can I ensure the magnesium supplement I buy is safe in Canada?

Look for a Natural Product Number (NPN) on the label, which indicates that Health Canada has reviewed and approved the product for safety, efficacy, and quality.

Is magnesium citrate better for digestion compared to other forms?

Magnesium citrate is known for its good absorption and may help with digestive health, but individual responses can vary. It's best to consult a healthcare professional for personalized advice.

Can I take magnesium supplements with other medications?

It's important to consult a healthcare professional before combining magnesium supplements with other medications, as interactions may occur.

Why is elemental magnesium content important?

Elemental magnesium content determines how much actual magnesium is available for absorption in the body. Different forms contain varying amounts, affecting their efficacy and suitability for specific needs.

For general information only and not medical advice. In Canada, natural health products should carry an NPN (Natural Product Number) or DIN-HM. Talk to a healthcare professional or pharmacist before starting a supplement, especially if pregnant, nursing, taking medication or managing a health condition.