Top Magnesium Bisglycinate Brands for Optimal Wellness

Magnesium bisglycinate, known for its high absorbability and gentle effects on the digestive system, has gained popularity as a preferred form of magnesium supplement. Many brands offer this supplement, each promising quality and effectiveness. Some of the most recommended brands have been praised for their use of pure ingredients, transparent sourcing, and adherence to good manufacturing practices. Below, we explore some of the best brands offering magnesium bisglycinate to help you make an informed choice.

Illustration of magnesium bisglycinate

Best brands of magnesium bisglycinate in 2025

Pure Encapsulations

Pure Encapsulations is a renowned brand for producing high-quality magnesium bisglycinate supplements, known for their high bioavailability and gentle formulation. Their magnesium bisglycinate provides 240 mg of magnesium per 2-capsule serving, which is 64% of the Nutrient Reference Value (NRV). The supplements are chelated with glycine, an amino acid, making them easily absorbable and less likely to cause digestive issues. Pure Encapsulations has been researching and developing innovative products for over 30 years, ensuring transparency and quality in each supplement. Their products are free from common allergens and unnecessary additives, and are manufactured in an NSF-GMP registered facility.

Thorne Research

Thorne Research is renowned as one of the best producers of magnesium bisglycinate, offering a highly absorbable and well-tolerated formula that supports restful sleep, muscle relaxation, and overall health. Their magnesium bisglycinate powder is NSF Certified for Sport, ensuring it is free from over 200 substances banned by major athletic organizations. This supplement provides 200 mg of elemental magnesium per scoop and is lightly sweetened with Monk Fruit, making it a great choice for those seeking to avoid laxative effects common in other magnesium formulations. With over 75% of U.S. adults not meeting the daily recommended intake of 420 mg of magnesium, Thorne Research's product helps bridge this nutritional gap. The bisglycinate form enhances solubility and absorption, making it an optimal choice for athletes and individuals seeking to maintain healthy blood sugar levels, heart health, and muscle function.

Doctor's Best

Doctor's Best is a renowned brand for producing high-quality magnesium bisglycinate supplements, utilizing a patented, organic chelation process that enhances bioavailability and GI tolerance. Their High Absorption Magnesium formula is 100% chelated, making it up to 6 times more absorbable than other forms like magnesium oxide. This supplement supports muscle relaxation, sleep quality, and nerve function, and is essential in over 300 enzyme systems. It is non-GMO, gluten-free, soy-free, and vegan, ensuring it is accessible to a wide range of consumers. With a daily serving of 105 mg per two capsules, it provides 25% of the daily recommended value.

NOW Foods

NOW Foods is a renowned brand for producing high-quality magnesium bisglycinate supplements, utilizing magnesium bound to the amino acid glycine for enhanced intestinal absorption. This form of magnesium supports energy production, muscle contraction, nerve impulse transmission, and bone mineralization, activating an estimated 300 enzymes. Each serving of NOW Foods Magnesium Bisglycinate Powder provides 250 mg of elemental magnesium, which is 60% of the daily recommended value. The company, family-owned since 1968, ensures GMP quality assurance and offers products that are Non-GMO Project Verified, Kosher, and suitable for vegetarians and vegans. With a long history of reliability and a commitment to quality, NOW Foods stands out as a trusted producer in the supplement industry.

Solgar

Solgar is renowned as one of the best producers of magnesium bisglycinate, offering a highly absorbable and bioavailable form of magnesium bound to the amino acid glycine. This formulation, known as magnesium bisglycinate, enhances digestive system management and cell membrane penetration, making it superior to other inorganic forms of magnesium. Solgar's product is ideal for those leading active lifestyles, helping to reduce tiredness and fatigue, and supporting bone and muscle health. According to export data, Solgar Inc is among the top suppliers of magnesium bisglycinate in the United States, contributing to the global market share. The product is available in packs of 100 tablets, each containing 100 mg of elemental magnesium. For more details about this highly absorbable magnesium bisglycinate, visit their supplier page.

Nature's Way

Nature's Way is renowned for producing high-quality magnesium bisglycinate supplements, offering a highly absorbable form of magnesium that supports heart, muscle, and nerve function. Their Magnesium Glycinate Plus product contains 220 mg of magnesium per 2-tablet serving, which is 52% of the daily value. This formulation is gluten-free, gelatin-free, and vegan, making it suitable for a wide range of dietary needs. Nature's Way ensures their products are free from artificial additives and are recommended for adults to take 2 tablets daily with food. This brand's commitment to quality and bioavailability makes it a trusted choice for those seeking to supplement their magnesium intake.

KAL

KAL is a reputable brand known for producing high-quality chelated magnesium bisglycinate supplements, which are made in their own facility to ensure strict control over production. These supplements are lab tested for potency and purity, and they are vegan, gluten-free, and soy-free, making them suitable for a wide range of consumers. The chelation with the amino acid bisglycinate enhances absorption and supports nerve, bone, and muscle function, as well as enzymatic processes. Magnesium is crucial for over 300 bodily processes, and KAL's product is gentle on the stomach. With a commitment to delivering the best, KAL's magnesium bisglycinate tablets are a trusted choice for those seeking to boost their magnesium levels.

MegaFood

MegaFood is renowned as one of the best producers of magnesium bisglycinate supplements, offering high-quality, bioavailable formulas that support muscle relaxation, heart health, and nervous system function. Their magnesium bisglycinate products, such as the Magnesium Glycinate and Magnesium 300 mg Capsules, provide 60 mg and 300 mg of elemental magnesium per serving, respectively, ensuring optimal absorption with minimal digestive side effects. These supplements are certified glyphosate residue free, tested for over 150 pesticides, and are gluten-free, vegetarian, and made without 9 common food allergens. MegaFood's commitment to quality is evident in their rigorous testing and certification processes. Their products are crafted with real food sources, such as organic spinach, to enhance nutritional value.

Garden of Life

Garden of Life is not specifically known for producing magnesium bisglycinate, but it is a reputable brand for magnesium supplements, particularly with its Dr. Formulated Magnesium Gummies made from bioavailable magnesium citrate, offering 400mg of magnesium per 4-gummy serving, along with prebiotics and 1 Billion CFU of Bacillus subtilis DE111(r) probiotics. These gummies are Non-GMO Project Verified, NSF Certified Gluten Free, and Star K Kosher. Garden of Life emphasizes the use of whole foods and avoids crushed rocks treated with acid, ensuring better absorption and minimal gastrointestinal side effects. Their products are designed to support various health needs, including stress, sleep, heart, muscle, and bone health. With rigorous third-party certifications, Garden of Life maintains high standards for clean and healthy products. For more information on their magnesium gummies, visit their website.

Jarrow Formulas

Jarrow Formulas is renowned as one of the best producers of magnesium bisglycinate supplements, known for their highly bioavailable and gentle-on-the-stomach formulations. Founded in 1977, the company has expanded into an internationally recognized health supplement brand, focusing on innovative scientific research and funding studies to ensure product efficacy. Jarrow Formulas adheres to strict quality standards, including Current Good Manufacturing Practices (cGMP) and other regulatory certifications. The brand has garnered 37 awards for its innovative supplements, including awards from Consumer Lab, Taste For Life Magazine, and Better Nutrition Magazine. Their products, such as Magnesium Glycinate and Magnesium Optimizer, are carefully crafted to support optimal health and wellness.