Skip to content

Which brand of magnesium glycinate is the best?

4 min read

According to the World Health Organization, up to 75% of U.S. adults may not meet the recommended daily intake of magnesium. Finding the best magnesium glycinate brand can be crucial for addressing this deficiency, as this form is known for its high absorption and gentle effect on the stomach.

Quick Summary

This article provides an in-depth analysis of top magnesium glycinate brands, evaluating factors like quality, third-party testing, and effectiveness for sleep and relaxation. A comparison table summarizes key features to help you decide.

Key Points

  • High Bioavailability: Magnesium glycinate is a chelated form known for its superior absorption and minimal digestive issues.

  • Prioritize Third-Party Testing: Look for certifications like NSF or GMP to ensure product purity and potency.

  • Check Elemental Magnesium: The elemental amount, not the total compound weight, indicates the actual dosage of magnesium.

  • Consider Your Needs: Brands like Thorne are ideal for athletes, while Pure Encapsulations suit those with sensitivities.

  • Read Customer Reviews: User feedback can provide insights into a product's real-world effectiveness for sleep, anxiety, and relaxation.

  • Compare Formulations: Look at different delivery methods (capsule, powder) and extra ingredients like BioPerine or Ashwagandha.

  • Thorne and Pure Encapsulations Stand Out: These brands are highly regarded for transparency and quality, making them top contenders.

In This Article

Understanding Magnesium Glycinate

Magnesium is an essential mineral involved in over 300 biochemical reactions in the body. It plays a crucial role in everything from muscle and nerve function to bone health and energy production. Magnesium glycinate, also known as magnesium bisglycinate, is a chelated form of magnesium, meaning it is bound to the amino acid glycine. This binding process makes it highly bioavailable, allowing for superior absorption by the body with minimal gastrointestinal side effects, unlike other forms like magnesium oxide. The addition of glycine also provides a calming effect, making magnesium glycinate a popular choice for improving sleep and reducing anxiety.

Factors to Consider When Choosing a Brand

With numerous options on the market, selecting the right magnesium glycinate can be challenging. Here are key factors to consider:

  • Absorption and Bioavailability: Magnesium glycinate is prized for its high absorption, but not all products are created equal. Look for brands that specify “fully chelated,” as this ensures the magnesium is fully bound to glycine for maximum absorption.
  • Purity and Quality: The supplement industry is not heavily regulated, so third-party testing is a crucial indicator of quality. Certifications from organizations like NSF International or GMP (Good Manufacturing Practices) ensure that the product is free from contaminants and contains what the label claims.
  • Elemental Magnesium Content: The elemental magnesium is the amount of actual magnesium in the supplement. A supplement might contain 500mg of magnesium glycinate, but only a fraction of that is elemental magnesium. Always check the label for the elemental amount to ensure you're getting an effective dose.
  • Formulation and Additives: Consider the delivery method (capsule, powder, liquid) and any additional ingredients. Some brands add complementary nutrients like Vitamin B6 or BioPerine to enhance absorption. Others include calming herbs like ashwagandha. Avoid unnecessary fillers, preservatives, and allergens.
  • Brand Reputation and Reviews: Researching a brand's reputation and customer feedback can provide valuable insights. Look for companies with a long-standing history and consistently positive reviews regarding product effectiveness and customer service.

Top Brands for Magnesium Glycinate

Based on reviews and ingredient quality, several brands stand out for their magnesium glycinate supplements:

  • Thorne: A highly respected brand known for its commitment to quality and transparency. Thorne's Magnesium Bisglycinate is NSF Certified for Sport®, ensuring it's free of banned substances. It's available in a powder form that is easily mixed and gentle on the stomach, making it an excellent choice for sleep and relaxation.
  • Pure Encapsulations: This brand offers a hypoallergenic formula of magnesium glycinate. It is manufactured and tested to verify potency and purity, making it a reliable option for those with sensitivities.
  • KAL: KAL offers a fully chelated, high-absorption Magnesium Glycinate 350. This vegan-friendly supplement often includes BioPerine to enhance bioavailability and is known for its calming effects. KAL has a long history, dating back to 1932, suggesting a strong track record of quality.
  • NOW Supplements: A widely available and affordable brand, NOW offers a quality magnesium glycinate supplement. While more budget-friendly, it still provides a highly absorbable form of the mineral and is a trusted option for many consumers.
  • Double Wood Supplements: Known for its commitment to third-party testing, Double Wood offers a vegan and non-GMO magnesium glycinate product. This brand is often praised for its pure ingredients and affordability.

Comparison of Top Magnesium Glycinate Brands

Feature Thorne Magnesium Bisglycinate Pure Encapsulations Magnesium (Glycinate) KAL High Absorption Magnesium Glycinate NOW Magnesium Glycinate
Form Powder or capsules Capsules VegCaps Tablets
Absorption Superior absorption, fully chelated Highly bioavailable, easily absorbed Fully chelated with BioPerine for enhanced absorption Highly absorbable form
Third-Party Testing NSF Certified for Sport® Tested for potency and purity Tested in state-of-the-art lab Produced in a GMP facility
Main Benefit Relaxation and sleep Supports stress, sleep, heart health Relaxation, bone, and muscle support Muscle, nerve, and heart functions
Elemental Mg Variable by product, check label 120 mg per capsule 350 mg (per 4 veg caps) 200 mg (per 2 tablets)
Other Ingredients Citric acid, monk fruit (powder) Ascorbyl palmitate BioPerine, cellulose, silica Hydroxypropyl Cellulose, Stearic Acid, Silicon Dioxide

Making the Best Choice for Your Needs

The "best" brand ultimately depends on individual priorities. If you are a competitive athlete, Thorne's NSF Certification might be the most important factor. If you prioritize purity above all else, Pure Encapsulations and their transparent sourcing are a strong choice. For those seeking an extra boost in bioavailability, KAL's inclusion of BioPerine is a unique benefit. Meanwhile, NOW offers a reliable, budget-friendly option that is widely available. It's crucial to consider your own health goals—be it better sleep, anxiety reduction, or muscle support—and then cross-reference with brand reputation, third-party testing, and dosage transparency.

Conclusion

Choosing the best magnesium glycinate requires careful consideration of several factors beyond just brand name. While options like Thorne and Pure Encapsulations offer top-tier purity and testing, more accessible brands such as KAL and NOW provide reliable, cost-effective alternatives. Regardless of the brand, prioritize products that clearly state elemental magnesium content, demonstrate third-party testing, and offer a formulation that aligns with your specific health needs and sensitivities. By focusing on these core criteria, you can confidently select a magnesium glycinate supplement that best supports your wellness journey.

Disclaimer: Always consult a healthcare professional before starting any new supplement regimen.

Frequently Asked Questions

Magnesium glycinate is highly bioavailable and is bound to the amino acid glycine, which makes it very gentle on the stomach and minimizes laxative effects often associated with other forms like magnesium citrate or oxide.

Yes, they refer to the same thing. Bisglycinate is a more accurate term indicating that two glycine molecules are bound to one magnesium molecule, enhancing solubility and absorption.

High-quality supplements should feature third-party testing from organizations like NSF or GMP, list the elemental magnesium content, and avoid unnecessary fillers or additives.

Many people find magnesium glycinate more effective for sleep due to its high absorption and the calming effects of glycine, which can help relax the nervous system and promote restful sleep.

Chelated magnesium glycinate offers several benefits, including superior absorption, better tolerance for sensitive stomachs, and calming properties that help with stress, anxiety, and sleep.

You should always consult your healthcare provider before taking any new supplement, especially if you are on medication. Magnesium can interact with some medications, so professional advice is crucial.

Pure Encapsulations is a top choice for those with a sensitive stomach, as it is manufactured to be hypoallergenic and is known for being well-tolerated.

NOW Supplements provides a widely available and more affordable option while still delivering a quality, highly absorbable magnesium glycinate product.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.