What Makes The Best Magnesium Supplement?

As the fourth most abundant mineral in the human body, magnesium plays several crucial roles in maintaining optimal health. Despite its importance, many individuals fall short of their daily recommended magnesium intake, prompting a growing demand for quality magnesium supplements. In this labyrinth of countless supplement options, identifying the best magnesium supplement can be an overwhelming task. To assist you in this quest, this article will delve into the essential features, scientific evidence, and various trade-offs in selecting a top-tier magnesium supplement.

Choosing the Best Magnesium Supplement

When it comes to selecting the best magnesium supplement, several factors need to be considered. These encompass the form of magnesium, dosage, co-factors, absorption and bioavailability, purity, and manufacturer reputation.

  • Form of Magnesium: Magnesium supplements come in various forms, including magnesium citrate, magnesium oxide, magnesium glycinate, and magnesium threonate, among others. Each form has different absorption rates and is used to treat different health concerns. For example, magnesium citrate is commonly used for its laxative properties, while magnesium glycinate is known for its calming effects.
  • Dosage: The recommended dietary allowance (RDA) for magnesium varies by age and sex. On average, adults require between 310-420 mg of magnesium per day. However, the dosage may be higher if used therapeutically.
  • Co-Factors: Some magnesium supplements contain other ingredients or 'co-factors' that may enhance absorption or provide additional health benefits. For example, supplements may include vitamin B6, which assists with magnesium absorption.
  • Absorption and Bioavailability: The body's ability to absorb and utilize magnesium, also known as bioavailability, varies between different forms of magnesium. Supplements with high bioavailability offer more health benefits.
  • Purity: A high-quality supplement should be free from contaminants and unnecessary additives. It should also meet the standards set by regulatory bodies.
  • Manufacturer Reputation: It is wise to choose a product from a reputable company that is transparent about its sourcing and manufacturing processes.

What Sets the Best Magnesium Supplements Apart

Not all magnesium supplements are created equal. Quality, absorption rates, and therapeutic value are the defining characteristics that set the best magnesium supplements apart.

  • Quality: Quality is paramount when it comes to supplements. The best magnesium supplements are sourced from high-quality raw materials, undergo rigorous testing to ensure purity and potency and adhere to good manufacturing practices.
  • Absorption Rates: The body’s ability to absorb magnesium depends on the form of magnesium. Chelated forms of magnesium, such as magnesium glycinate and magnesium orotate, are better absorbed by the body.
  • Therapeutic Value: Certain forms of magnesium are better suited for specific health issues. For instance, magnesium citrate may be more beneficial for those dealing with constipation, while magnesium glycinate may be more useful for those with anxiety or sleep issues.

Optimal Absorption and Bioavailability: Criteria for Selecting the Best Magnesium Supplement

  • Bioavailability: Bioavailability refers to how much of the magnesium can be absorbed and used by the body. Magnesium bound to an amino acid (chelated magnesium) typically has higher bioavailability.
  • Time of Consumption: Taking magnesium with a meal can enhance absorption, while consuming it alongside foods rich in fiber may hinder its absorption.
  • Supplement Form: Liquid forms of magnesium tend to be more bioavailable than tablets or capsules.

Factors to Determine the Best Magnesium Supplement for You

Choosing the best magnesium supplement is a personal decision that should be based on individual health goals, lifestyle, and medical history.

  • Health Goals: If your aim is to support heart health, you may want to opt for magnesium taurate. For sleep and anxiety-related concerns, magnesium glycinate might be your best bet. Magnesium citrate and oxide, being potent laxatives, may be useful for those dealing with constipation.
  • Lifestyle: Your lifestyle factors in your choice as well. For instance, if you lead a busy life and value convenience, you might prefer a form that requires fewer doses per day.
  • Medical History: If you have kidney disease, you'll need to be cautious with magnesium supplements as your body might be unable to eliminate excess magnesium effectively. Always consult your healthcare provider before starting any new supplement regimen.

Evidence-Based Criteria for Identifying the Best Magnesium Supplement

Scientific research provides a wealth of evidence supporting the use of magnesium supplements for various health conditions. When choosing a magnesium supplement, ensure that it aligns with research findings.

  • Clinical Trials: Supplements with forms of magnesium that have been the subject of clinical trials and have demonstrated efficacy and safety are generally a good choice.
  • Scientific Research: Look for supplements that have been validated by scientific research. This research should be unbiased, well-designed, and published in respected peer-reviewed journals.

Essential Features of the Best Magnesium Supplements

The best magnesium supplements often share a few common features. These include high bioavailability, minimal additives, and transparency of the manufacturing process.

  • Bioavailability: As previously discussed, the higher the bioavailability, the more the body can absorb and utilize magnesium.
  • Minimal Additives: Top-quality supplements tend to minimize the use of unnecessary additives, fillers, and artificial ingredients.
  • Transparency: Companies that provide information about their sourcing, manufacturing processes, and quality control measures often produce more reliable and trustworthy products.

How to Identify the Top Magnesium Supplement Options

The market is flooded with magnesium supplements, making it difficult to identify the top options. But by focusing on quality, efficacy, and consumer reviews, you can navigate the crowded market successfully.

  • Quality Certifications: Look for third-party testing and certifications which can provide assurance about the product's quality and safety.
  • Efficacy: Check for clinical evidence supporting the efficacy of the product.
  • Consumer Reviews: Read reviews from other consumers to gauge their experiences with the product.

Factors That Define the Best Magnesium Supplements

Quality magnesium supplements are defined by their purity and potency.

  • Purity: A pure product is free from contaminants and unnecessary additives.
  • Potency: This refers to the amount of active magnesium in the supplement. A high-quality supplement will contain the amount of magnesium stated on the label.

Selecting the Best Magnesium Supplement for Optimal Benefits

The journey to optimal health involves making informed choices about dietary supplements. When it comes to magnesium, the best supplement will depend on individual health goals, lifestyle, and personal preferences.

  • Aligning with Health Goals: Consider your health goals when choosing a magnesium supplement. If you have specific health conditions, choose a form of magnesium that has been shown to help with that condition.
  • Considering Lifestyle: Choose a supplement that fits well into your lifestyle.
  • Personal Preferences: Some people prefer capsules over tablets, while others may favor liquid or powdered forms.


The journey to find the best magnesium supplement involves considering various factors, including the form of magnesium, its bioavailability, purity, the reputation of the manufacturer, and personal health goals and preferences. In addition, balancing these factors while understanding the associated trade-offs is crucial.

While one supplement may excel in bioavailability, it might fall short in purity or may not align with your specific health goals. Similarly, a highly reputable manufacturer's product might be a bit more expensive than others, but the assurance of quality and safety might outweigh the cost.

The challenge, therefore, lies in finding a magnesium supplement that strikes a balance between these factors. But by doing your due diligence, you can navigate these challenges effectively. This involves researching, reading labels carefully, considering third-party testing and certifications, and consulting with a healthcare professional.

Furthermore, understanding the impact of your choices is crucial. The quality of the magnesium supplement you choose can directly impact your health. A poor-quality supplement might not only be ineffective but could also potentially contain harmful contaminants. On the other hand, a high-quality magnesium supplement could significantly improve your health and well-being.

In essence, the quest to find the best magnesium supplement is not just about fulfilling your daily magnesium needs but also about empowering your health and promoting overall well-being. By making informed choices, you can ensure that you select a supplement that is not only safe and effective but also perfectly suited to your unique needs and health goals.

As the market for magnesium supplements continues to grow and evolve, so does the science and research behind it. Therefore, it's vital to stay updated on the latest research and developments in this field. A supplement considered the best today might be surpassed by a more advanced and effective product tomorrow.

Therefore, keep learning, stay informed, and continue prioritizing your health, because pursuing health is a journey, not a destination. With the right knowledge and resources, you can confidently navigate the world of magnesium supplements and make the best choices for your health.

Magnesium Information

For everything you need to know about magnesium and magnesium supplements, check out our comprehensive information page here.

Magnesium Information


We’ve created a magnesium supplement with a combination of three types of highly absorbable magnesium at a therapeutic dose. Our magnesium comes as an easy to mix, great tasting powder to ensure optimal absorption. To learn more about our magnesium, check out the product page here.

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Ron Goedeke MD, BSc Hons MBChB, FNZCAM

Dr. Ron Goedeke, an expert in the domain of functional medicine, dedicates his practice to uncovering the root causes of health issues by focusing on nutrition and supplement-based healing and health optimisation strategies. An esteemed founding member of the New Zealand College of Appearance Medicine, Dr. Goedeke's professional journey has always been aligned with cutting-edge health concepts.

Having been actively involved with the American Academy of Anti-Aging Medicine since 1999, he brings over two decades of knowledge and experience in the field of anti-aging medicine, making him an eminent figure in this evolving realm of healthcare. Throughout his career, Dr. Goedeke has been steadfast in his commitment to leverage appropriate nutritional guidance and supplementation to encourage optimal health.

This has allowed him to ascend as one of the most trusted authorities in the arena of nutritional medicine in New Zealand. His expertise in the intricate relationship between diet, nutritional supplements, and overall health forms the backbone of his treatment approach, allowing patients to benefit from a balanced and sustainable pathway to improved wellbeing.

  • Key Factors to Consider: Choosing the Best Magnesium Supplement:
  • Optimal Absorption and Bioavailability: Criteria for Selecting the Best Magnesium Supplement:
  • Finding the Perfect Fit: Factors to Determine the Best Magnesium Supplement for You:
  • Trusting the Science: Evidence-Based Criteria for Identifying the Best Magnesium Supplement:
  • The Gold Standard: Essential Features of the Best Magnesium Supplements:
  • Navigating the Market: How to Identify the Top Magnesium Supplement Options:
  • From Purity to Potency: Factors That Define the Best Magnesium Supplements: The reference from the Office of Dietary Supplements doesn't have a DOI as it's a web page from a governmental health organization.
  • Empowering Your Health: Selecting the Best Magnesium Supplement for Optimal Benefits:
  • The Importance of Personalized Advice and a Balanced Lifestyle:

Disclaimer: The information provided is for educational purposes only and does not constitute medical advice. Always seek the advice of your physician or qualified healthcare provider with any questions or concerns about your health. Never disregard or delay seeking medical advice because of something you have heard or read on this website.

Last updated on the 26th of May 2023

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