10 Best Magnesium L Threonate And Glycinate of 2025

Tested and Reviewed: Top 10 Magnesium L Threonate And Glycinate deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

NATURAL STACKS

Magtein Magnesium L-Threonate, Glycinate & Taurate – 200mg Chelated Magnesium Complex – MagTech Magnesium Supplement for Relaxation & Brain Health – 90 Capsules

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Editor's bottom line:

“This magnesium l threonate and glycinate is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

MAGTECH Magnesium (90ct) is the best-selling Cognitive Health Supplement in the Natural Channel (Based on SPINS Natural Channel 52 week period ending October 6, 2024). Magtech is a 200mg Magnesium Complex Supplement. It features Magtein Magnesium L-Threonate which is highly absorbed for optimal benefits and the best clinically tested magnesium supplement.* Magnesium also supports brain health and may improve sleep quality.*
Increasing brain magnesium values has been shown to support memory, relaxation, may improve sleep quality, and enhance cognition.* MagTech makes this easy, with three key forms all inside one capsule. It helps support brain cell connectivity and synapse density.* Taking 1-2 servings per day may support sleep, brain health, and more.*
Magnesium Glycinate Included: With magnesium glycinate inside each capsule too, this is the perfect magnesium supplement for women and men. Triple magnesium complex cant be found in any other open-source brand. Its time to make MagTech a part of your daily routine!
Magtein Magnesium For The Brain: This form of magnesium was developed by MIT scientists. Its been found to support cognitive function and brain health in studies.* Using quality magnesium can make a huge difference in your brain*! If you want to support cognition, a magnesium supplement is the way to go.* Instead of taking magnesium capsules alone, you get all three forms inside MagTech. Try this magnesium triple complex today.
Magnesium Capsules: Consuming magnesium may support sleep and brain health.* MagTech contains a unique blend of magnesium. The compounds in MagTech may supply more magnesium to the brain than other forms of magnesium.*
From a trusted, Open-Source Company: At Natural Stacks, we focus on full label disclosure, 3rd party lab testing, ingredient traceability, and purity. Generic supplements simply cant compare to this open-source promise. Natural Stacks created MagTech to function as the premier magnesium supplement available anywhere.

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Picked by 397 people today

9.5

Double Wood Supplements

Magnesium L Threonate, Magtein, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules

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Main Highlights

ONLY FORM OF MAGNESIUM ABLE TO SUPPORT MAGNESIUM LEVELS IN THE BRAIN: Magtein Magnesium L-Threonate is a unique magnesium breakthrough supplement and the only form of magnesium clinically proven to support magnesium levels in the brain
CLINICALLY STUDIED FOR COGNITIVE WELLNESS: Magnesium L-Threonate has been studied for its role in supporting memory, learning, and overall cognitive performance.
HIGHLY BIOAVAILABLE FORM OF MAGNESIUM: L-Threonate is a mineral chelating agent that is able to greatly enhance the bioavailability of magnesium making it highly absorbable
MAGNESIUM FOR SLEEP: Magnesium Threonate is commonly taken alongside L-Theanine and Apigenin in a sleep cocktail for nighttime assistance
WE BOTTLE WELLNESS: At Double Wood we provide pure, potent supplements that deliver exceptional value, all backed by careful sourcing and rigorous third-party testing

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9.5

AMANDEAN

AMANDEAN Magtein Magnesium Complex. L-Threonate, Glycinate, Malate Triple Blend Chelated Magnesium Supplement. 90 Veggie Capsules. High Absorption Branded Ingredients. Brain Health, Sleep, Calm*.

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Main Highlights

Unlock Your Brain's Potential: Our Magnesium L-Threonate Complex with Magtein is clinically shown to cross the blood-brain barrier and support cognitive function for early brain development & old age.*
3-in-1 Formula for Maximum Benefits: Our high absorption magnesium triple complex is blended with bisglycinate chelate + DiMagnesium malate (both Albion TRAACS) in an easy-to-swallow veggie capsule for 270mg of elemental magnesium per dose. (3 capsules). This is nearly twice the dosage of a straight Magtein product. There are no added stearates or silica, unlike other brands.
Sleep Better, Feel Better: Our magnesium supplement can help improve the quality of sleep by relaxing the central nervous system that regulates melatonin and GABA. Increased levels of magnesium support healthy sleep cycles. The amino acid glycine also promotes restful and quality sleep, as well as reduced stress and relaxation.*
Energy, Bones, & Muscle Recovery: Daily magnesium intake helps to boost energy at a cellular level, improve physical performance, exercise recovery, and muscle cramping. Healthy levels contribute to bone density & strength, critical for healthy aging. Mag is vital for the absorption of essential minerals in the body.*
Quality You Can Trust: Amandean uses only the highest quality premium ingredients. All three forms of magnesium are patented and have many clinical studies behind them. Clean Non-GMO ingredients that are 3rd party lab-tested & packaged at a cGMP facility for purity & safety. Contains no artificial flavors, preservatives, or stearates. 90-day satisfaction guarantee.

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9.2

Yalei

Magnesium L-Threonate 2,000mg and Magnesium Glycinate 400mg | 90 Vegetarian Capsules | Muscle Health, Better Sleep & Cognitive Health|High-Absorption | Non-GMO, Gluten-Free

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Main Highlights

Non GMO, 100% vegan,Gluten-Free
Precise Element Combination: Each element is a precise unit required by the human body, scientifically proportioned, and formulated with a warm and easy to absorb formula.
2000mg Magnesium L-ThreonateEnhance the absorption and utilization rate of magnesium element, assist in reducing muscle spasms, and improve muscle recovery after exercise.
100mg PhosphatidylserinePhospholipids naturally present in human cell membranes. Supporting cognitive function, relieving stress, and delaying brain aging are important components in maintaining neurological health.
400mg Magnesium Glycinate:Magnesium is an essential mineral for the human body, with its core function being to maintain normal nerve and muscle function. It is a "key assistant" for energy metabolism and bone health.
High Quality and Healthy Each batch of products complies with GMP standards and undergoes laboratory testing to ensure quality and safety

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9.0

Intelligent Labs

Intelligent Labs MagEnhance Magtein Magnesium Complex Supplement L-Threonate with Magnesium Glycinate and Taurate, 90 Capsules

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Main Highlights

Complete magnesium l-threonate complex MagEnhance's triple-strength magnesium capsules contribute to a lot of functions in the body. These include reducing tiredness, supporting normal metabolism and muscle function, helping the nervous system, contributing to protein synthesis and psychological health, as well as helping maintain healthy teeth and the cellular division process.
Designed by scientists at the Massachusetts Institute of Technology (MIT) Magnesium-L-Threonate was designed at MIT to successfully cross the blood-brain barrier. It is a scientifically advanced magnesium mineral supplement.
Also with magnesium glycinate and magnesium taurate Our chelated magnesium is designed to help every system in the body. Magnesium glycinate is easily absorbed so it helps correct deficiencies and maintains healthy levels in the body. Magnesium Taurate is the calming form of magnesium in MagEnhance. Its a mixture of magnesium and the amino acid, taurine.
Easily absorbable with the lowest chance of side effects Our magnesium comes in easy to swallow vegetarian capsules, they're not hard to take magnesium pills. Glycinate, taurate and threonate are also gentle forms of magnesium, meaning they aren't likely to cause side effects such as loose stool.
Your health is our priority Independent third-party testing, available upon request, confirms the purity, safety, and potency of our products.

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8.8

Life Extension

Life Extension Neuro-Mag Magnesium L-Threonate, Memory Health, Quick Thinking, Cognitive Health Support, Vegetarian, Non-GMO, 90 Vegetarian Capsules (144 mg from 2000 mg Magtein magnesium L-threonate

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Main Highlights

Quick thinking: Want to stay sharp? Try magnesium L-threonate: this form of magnesium helped maintain executive function and quick thinking in clinical studies.
Short-term memory: magnesium L-threonate helps support your working or short term memory health, so you dont forget where you put your car keys, etc.
Cognitive health: magnesium plays an important role in your brain, supporting cognitive function. Magnesium L-Threonate is a special form of magnesium well-studied for cognitive health.
Ingredients matter We use the finest raw ingredients chosen for quality and purity. The majority of our products are non-GMO, gluten-free and manufactured in the USA with globally sourced ingredients, and a Certificate of Analysis is available for each.
Live your healthiest life - For over 40 years, weve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Thats why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.

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8.6

KAPPA NUTRITION

Kappa Nutrition Powered by Magbrain™ Magnesium L-Threonate Plant-Based, 60 Vegan Capsules, 420mg Elemental Magnesium (3 Capsules) from 2,253mg, Brain, Sleep & Muscle Support.

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Main Highlights

High-Potency Magnesium L-Threonate Plant-Based. Manufactured in Texas, USA. Each 3-capsule serving provides 420 mg elemental magnesium (280 mg per 2 capsules).
Supports Brain Function & Mental Clarity. Helps maintain healthy magnesium levels in the brain to support memory, focus, and cognitive performance.
Promotes Relaxation & Restful Sleep. Supports GABA and melatonin pathways to encourage calmness and healthy sleep cycles.
Muscle, Energy & Recovery Support. Plays a role in ATP energy production, neuromuscular function, and post-exercise recovery.
Bone & Heart Health + Quality Assurance. Supports bone density and cardiovascular wellness. Made in a cGMP-certified facility and third-party tested for purity, heavy metals, and label accuracy.

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8.3

Macuhealth

MacuHealth Magnesium Glycinate & L-Threonate 145mg - 90 Capsules - Highly Absorbable Magnesium for Energy, Calm & Focus - Gentle on Stomach, Vegan, Non-GMO - Premium Chelated Magnesium Supplement

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Main Highlights

Feel balanced every day Designed to help you reconnect with calm and clarity. Magnesium supports your bodys natural rhythm, helping you face busy days with more ease and focus.
Gentle, effective, and kind to your body Each capsule combines Glycinate and L-Threonate forms, known for being highly absorbable and easy on digestion, perfect for everyday use.
A ritual for your wellbeing Just one capsule a day to support relaxation, focus, and energy balance, making it easy to stay consistent and grounded.
Crafted with care by MacuHealth Backed by premium ingredient standards and clean formulation. No GMOs, gluten, or artificial additives, only what your body truly needs.
Quality you can trust Made under strict manufacturing standards, in small batches to ensure purity, consistency, and peace of mind in every bottle.

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8.1

Micro Ingredients

L-Theanine 200mg with Magnesium Glycinate, 400 Coconut MCT Oil Softgels | 2-in-1 Amino Acid & Mineral Complex | Gentle Care All Day & Night

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Main Highlights

Micro Ingredients offers 2-in-1 L-Theanine with Magnesium Glycinatecoconut oil softgels. A well-absorbed formula combining natural amino acidsand minerals.
Each pouch offers 400 easy-to-consume softgels infused with coconut andMCT oil. A long-lasting 200-serving supply, delivering 200mg L-Theanine and200mg Magnesium Glycinate per serving.
L-Theanine and magnesium glycinate are important micronutrients thatwork together to support muscle health, relaxation, and focus. Take it in themorning or at night to enjoy their benefits.
High bioavailable theanine and magnesium forms for easy digestion. Theaddition of MCT coconut oil offers an easily absorbed healthy carrier foroptimal absorption of nutrients.
Premium non-GMO L-Theanine supplements. Made without soy, dairy, andgluten. Ingredients must pass our 3rd party lab tests to ensure a product thatis safe, pure, and potent.

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8.1

ForestVibe

ForestVIbe Magnesium L-Threonate, Citrate, Malate & Glycinate, 150 Chelated Pills, High Absorption Magnesium Supplement for Women and Men, Extra Strength Complex Capsules, Non-GMO & Gluten Free

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Main Highlights

Comprehensive Magnesium Supplement: Experience the benefits of a high-absorption magnesium supplement with a carefully crafted blend of Magnesium L-Threonate, Magnesium Glycinate, Magnesium Citrate, and Magnesium Malate. This chelated magnesium supplement is designed to provide a well-balanced daily source of magnesium for both men and women. Whether you're looking for magnesium glycinate and citrate or a well-rounded magnesium complex supplement, this formula is a perfect choice.
Premium Magnesium Complex Formula: Our magnesium glycinate complex is formulated with four superior forms of magnesium, ensuring optimal bioavailability. Magnesium L-threonate supplement is well-known for its unique properties, while magnesium citrate and magnesium malate powder contribute to enhanced absorption. If you're seeking a magnesium complex capsule that offers more than just one type of magnesium, this formula provides a well-balanced blend for daily nutrition in a convenient, easy-to-take capsule.
Optimized Daily Supply: Each bottle of our chelated magnesium supplement contains 150 capsules, offering a full 50-day supply with a recommended serving of 3 capsules daily. Designed for easy integration into any wellness routine, this magnesium supplement for women and men provides an effortless way to maintain daily intake without relying on multiple supplements. Made with vegan, non-GMO, and gluten-free ingredients, its a clean and effective alternative to traditional magnesium glycinate powder supplements.
Premium Quality You Can Trust: Manufactured in a state-of-the-art facility following strict GMP, ISO, and USDA standards, our magnesium l-threonate supplement undergoes rigorous quality checks to ensure purity and potency. Whether you're looking for pure magnesium capsules, a magnesium glycinate & citrate blend, or a chelated magnesium supplement, this formula delivers consistent quality in every dose.
Inspired by Nature, Backed by Science: At Immortal Herbs, we blend ancient herbal traditions with modern scientific practices. By incorporating this magnesium threonate supplement into a balanced lifestyle, you can support your journey toward improved vitality and overall wellness. Discover the benefits of natures finest ingredients with a supplement designed for resilience and strength.

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Our Best Overall Choice

Best Choice

9.7

NATURAL STACKS

Magtein Magnesium L-Threonate, Glycinate & Taurate – 200mg Chelated Magnesium Complex – MagTech Magnesium Supplement for Relaxation & Brain Health – 90 Capsules

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

MAGTECH Magnesium (90ct) is the best-selling Cognitive Health Supplement in the Natural Channel (Based on SPINS Natural Channel 52 week period ending October 6, 2024). Magtech is a 200mg Magnesium Complex Supplement. It features Magtein Magnesium L-Threonate which is highly absorbed for optimal benefits and the best clinically tested magnesium supplement.* Magnesium also supports brain health and may improve sleep quality.*
Increasing brain magnesium values has been shown to support memory, relaxation, may improve sleep quality, and enhance cognition.* MagTech makes this easy, with three key forms all inside one capsule. It helps support brain cell connectivity and synapse density.* Taking 1-2 servings per day may support sleep, brain health, and more.*
Magnesium Glycinate Included: With magnesium glycinate inside each capsule too, this is the perfect magnesium supplement for women and men. Triple magnesium complex cant be found in any other open-source brand. Its time to make MagTech a part of your daily routine!
Magtein Magnesium For The Brain: This form of magnesium was developed by MIT scientists. Its been found to support cognitive function and brain health in studies.* Using quality magnesium can make a huge difference in your brain*! If you want to support cognition, a magnesium supplement is the way to go.* Instead of taking magnesium capsules alone, you get all three forms inside MagTech. Try this magnesium triple complex today.
Magnesium Capsules: Consuming magnesium may support sleep and brain health.* MagTech contains a unique blend of magnesium. The compounds in MagTech may supply more magnesium to the brain than other forms of magnesium.*
From a trusted, Open-Source Company: At Natural Stacks, we focus on full label disclosure, 3rd party lab testing, ingredient traceability, and purity. Generic supplements simply cant compare to this open-source promise. Natural Stacks created MagTech to function as the premier magnesium supplement available anywhere.

Show Price

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