10 Best Magnesium Supplements [Registered Dietitian-Reviewed Buying Guide]

BioEmblem Triple Complex Magnesium offers a potent blend of three highly absorbable forms of magnesium — glycinate, malate, and citrate — providing 300 mg per serving. Magnesium is vital in supporting healthy nerve and muscle function, helping relieve muscle and leg discomfort at night while promoting brain health. Its high absorption rate ensures that your body gets the necessary magnesium without digestive discomfort.

This triple complex magnesium also supports heart health, energy production, and bone strength. Magnesium malate, in particular, aids in cellular energy production, while magnesium, in general, helps regulate essential nutrients like calcium and zinc, promoting healthy bones and strong bone density. Whether you’re looking for post-exercise muscle support or overall cardiovascular health, BioEmblem's third-party tested, vegan, non-GMO formula ensures you get pure, high-quality magnesium in every capsule, free from artificial ingredients or fillers.

Pure Encapsulations Magnesium Glycinate is a heart health supplement that supports essential bodily functions. It activates enzymes necessary for neuromuscular contractions and promotes optimal cardiac function. This easily absorbed form of magnesium also helps metabolize key nutrients like vitamins B6, C, and E, ensuring the body effectively utilizes them. It is ideal for individuals seeking a supplement that supports both heart health and nutrient metabolism.

Additionally, this magnesium glycinate supplement plays a critical role in energy production and bone support. It aids in the metabolism of carbohydrates and amino acids while also helping to regulate the use of important minerals like calcium, phosphorus, sodium, and potassium. Designed for sensitive individuals, it is gentle on the stomach and less likely to cause loose stools than other magnesium forms.

Nature Made High Absorption Magnesium Glycinate Capsules provide a gentle, effective way to support nerve, bone, and heart health. Each serving delivers 200 mg of magnesium glycinate, a highly bioavailable and 100% chelated form of magnesium known for its easy absorption and soothing effects on the body.

Nature Made Magnesium Glycinate has a formulation designed for sensitive digestive systems. Free from artificial flavors and gluten, these capsules are a clean choice for those seeking a reliable magnesium supplement. As one of the top pharmacist-recommended vitamin and supplement brands, Nature Made ensures you get a trusted product to support your overall health. Take two capsules daily with a meal for optimal benefits.

Magnesium Breakthrough by BiOptimizers delivers a complete magnesium complex, combining seven highly effective forms of magnesium — bisglycinate, malate, chelate, aspartate, orotate, taurate, and citrate. This unique formula provides the optimum dose of magnesium to support multiple bodily functions, including muscle relaxation, cognitive health, and energy production. Resupplying crucial magnesium levels helps reverse deficiency and supports the body's natural processes, helping you feel balanced and energized. 

Magnesium Breakthrough capsules, designed for fast absorption, dissolve quickly and are absorbed rapidly to ensure maximum benefits. This formula also includes vitamin B6, which enhances magnesium absorption and contributes to overall wellness. It should be noted that this supplement has a dose of 500 mg of magnesium, which is above the currently set tolerable upper limit.

Neuro-Mag® Magnesium L-Threonate by Life Extension is designed for those looking to enhance memory, focus, and cognitive performance. This highly absorbable form of magnesium L-threonate supports brain cell communication and critical signaling pathways associated with learning and memory. Whether studying, working, or simply trying to stay sharp, this supplement helps maintain optimal brain function and focus by ensuring your brain cells stay well-connected.

Neuro-Mag® is an effective way to support cognitive wellness. Life Extension's commitment to quality means their magnesium L-threonate is sourced from the finest raw ingredients, ensuring non-GMO, gluten-free supplements made in the USA.

Nature's Bounty Magnesium oxide delivers 500 mg of this vital mineral per tablet, offering 119% of the daily recommended value to support your bone and muscle health. This dosage is over the currently set tolerable limit, so consider speaking with a medical professional before starting. Magnesium plays an essential role in bone mineralization, helping maintain strong bones while also supporting muscle contractions and nerve impulses. Whether you want to enhance your muscle function, improve energy metabolism, or assist in protein formation, this supplement is a comprehensive solution for your body's needs.

Free from artificial flavors, sweeteners, and gluten, Nature’s Bounty Magnesium is designed for those who prioritize clean ingredients and dietary compatibility. With a focus on delivering unsurpassed quality and value, Nature's Bounty uses the latest advancements in nutritional science to ensure you get a potent and reliable magnesium supplement to enhance your overall health. Take it daily to experience the benefits of this essential mineral.

MagWell® by Live Conscious is designed to bolster bone and muscle strength through its high-quality magnesium formula of glycinate, citrate, and malate. Magnesium plays a crucial role in calcium absorption and utilization, supporting the maintenance of healthy bones and enhancing bone strength. This supplement is particularly beneficial for individuals looking to combat magnesium deficiency.

In addition to 225 mg of magnesium, MagWell® includes a potent blend of vitamin D3 and zinc, known for their immune-boosting properties. The formula's antioxidant-rich ingredients also improve cardiovascular health, making it a well-rounded supplement for overall wellness. This supplement provides 120 capsules for a two-month supply.

Doctor's Best High Absorption Magnesium, Lysinate Glycinate, offers a comprehensive approach to overall wellness by supporting bone density, promoting muscle relaxation, and enhancing cardiovascular health. It provides 200 mg of magnesium per serving. Ideal for those looking to optimize their magnesium intake, it’s formulated with the patented TRAACS (The Real Amino Acid Chelate System) to ensure faster and more effective absorption.

This "not buffered" magnesium supplement avoids using cheaper, less absorbable forms like magnesium oxide, providing a purer product focusing on quality and results. Vegan, non-GMO, gluten-free, and soy-free, Doctor's Best offers a clean and trusted solution for anyone looking to enhance their magnesium intake for better sleep, bone strength, and heart health.

Magnesium L-Threonate (Magtein) by Double Wood Supplements is backed by multiple clinical studies as a magnesium supplement that helps enhance memory, focus, and overall brain function. Thanks to the L-threonate chelating agent, its high bioavailability ensures superior absorption compared to other magnesium forms, delivering maximum benefits for mental clarity and brain health.

 At 144 mg of elemental magnesium per 2,000 mg serving of the L-threonate compound, this dosage is at a safe level, being below the TUL.

NOW Foods Magnesium Citrate Veg Capsules are excellent for supporting energy production and overall metabolic health. Magnesium is crucial for various bodily functions, including muscle contraction, nerve impulse transmission, and bone mineralization. This form of magnesium, known for its high bioavailability, aids in synthesizing fatty acids and proteins and stabilizes glucose metabolism by acting as a cofactor for around 600 enzymes in the body. 

At 400 mg of magnesium per serving, this dosage is slightly higher than the upper tolerable limit currently set. This supplement is manufactured in the USA and backed by NPA A-rated GMP certification. NOW Foods ensures rigorous quality control throughout the entire production process.