10 Best Magnesium Threonate Supplement Nature Made of 2026

Last updated on 04/03/2026
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1
9.9
Exceptional
High Absorption Magnesium Sleep Supplement - Rest Support Magtein Magnesium L-Threonate and Apigenin Theanine for Sleep and Rest for Women & Men - Mg L-Threonate Melatonin Free Sleeping Aid - 90 Ct
Natures Craft

High Absorption Magnesium Sleep Supplement - Rest Support Magtein Magnesium L-Threonate and Apigenin Theanine for Sleep and Rest for Women & Men - Mg L-Threonate Melatonin Free Sleeping Aid - 90 Ct

Why we love it
  • Promotes deep, restful sleep.
  • Supports mood and cognitive function.
  • Made in the USA.
Main Highlights
  • ADVANCED MAGNESIUM SLEEP & RELAXATION SUPPORT – Our magnesium supplement for sleep is formulated to promote deep, restful sleep and relaxation. This high-absorption tri magnesium supplement helps calm the mind, ease stress & improve overall sleep quality without melatonin.
  • SUPPORTS MOOD, SLEEP & COGNITIVE FUNCTION – Our magnesium supplement for women & men is designed to help you fall asleep faster, stay asleep longer & wake up refreshed. This natural magnesium sleep aid also supports mood balance, relaxation, memory, and cognitive clarity for both men and women.
  • POWERFUL BLEND OF Mg & CALMING INGREDIENTS – Our magnesium for sleeping contains L-Threonate, Apigenin, L-Theanine & Lemon Balm. This unique combination enhances magnesium absorption, promotes relaxation & supports brain function for better rest and recovery.
  • HOW TO USE & IMPORTANT WARNINGS – Take three magnesium capsules daily, preferably in the evening. Consult a doctor before use if you are pregnant, nursing, have a medical condition, or are taking medications that affect sleep or brain function. Not for individuals under 18.
  • MADE IN THE USA WITH GLOBALLY SOURCED INGREDIENTS – Our magnesium complex supplement is manufactured in a GMP-compliant, ISO 17025-certified facility & is non-GMO. Third-party tested formula provides purity, potency & safety, giving effective support for sleep, relaxation & cognitive health.
9.9
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.9
Exceptional
Magnesium L Threonate, Magtein, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules
Double Wood Supplements

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

Why we love it
  • Clinically proven brain support.
  • Enhances cognitive health efficiently.
  • High absorption for optimal results.
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
9.9
Exceptional
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3
9.8
Exceptional
Save 27%
Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium-Supplement, 90 Capsules, 30 Day Supply,(Pack of 2)
Nature Made

Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium-Supplement, 90 Capsules, 30 Day Supply,(Pack of 2)

27% Off
Why we love it
  • Supports cognitive function and memory.
  • Gluten-free with no artificial flavors.
  • Made in USA quality.
Main Highlights
  • The information below is per-pack only
  • Cognitive & memory(1) support supplement: contains one 90 count bottle of Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D 3 Capsules for a 30-day supply
  • Magtein Magnesium L-Threonate is a magnesium supplement that was clinically studied to help support healthy cognitive function and mental sharpness in 12 weeks(1)
  • Magnesium supports muscle relaxation, heart, nerve and bone health, and healthy aging; provides 130 mg of Magnesium from 1800 mg Magnesium L Threonate
  • Magnesium helps support the production of Melatonin
  • These gluten free Magnesium L-Threonate capsules have no artificial flavors; Adults, take 3 capsules daily
  • Made in the USA with quality global ingredients; #1 Pharmacist Recommended Vitamin and Supplement Brand*
  • These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
9.8
Exceptional
Save 27%
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4
9.6
Superb
Save 19%
Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium Supplement, 90 Capsules, 30 Day Supply
Nature Made

Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium Supplement, 90 Capsules, 30 Day Supply

19% Off
Why we love it
  • Supports cognitive function effectively.
  • Promotes muscle relaxation and health.
  • Gluten-free with no artificial flavors.
Main Highlights
  • Cognitive & memory(1) support supplement: contains one 90 count bottle of Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D 3 Capsules for a 30-day supply
  • Magtein Magnesium L-Threonate is a magnesium supplement that was clinically studied to help support healthy cognitive function and mental sharpness in 12 weeks(1)
  • Magnesium supports muscle relaxation, heart, nerve and bone health, and healthy aging; provides 130 mg of Magnesium from 1800 mg Magnesium L Threonate
  • Magnesium helps support the production of Melatonin
  • These gluten free Magnesium L-Threonate capsules have no artificial flavors; Adults, take 3 capsules daily
  • Made in the USA with quality global ingredients; #1 Pharmacist Recommended Vitamin and Supplement Brand*
  • These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
9.6
Superb
Save 19%
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5
9.5
Superb
MegaFood Magtein Magnesium L-Threonate - Magnesium Supplement 2000mg Per Serving - Supports Short-Term Memory, Focus, Alertness & Normal Sleep Cycles - Vegan, Gluten Free - 90 Capsules, 30 Servings
MegaFood

MegaFood Magtein Magnesium L-Threonate - Magnesium Supplement 2000mg Per Serving - Supports Short-Term Memory, Focus, Alertness & Normal Sleep Cycles - Vegan, Gluten Free - 90 Capsules, 30 Servings

Why we love it
  • Enhances memory and focus.
  • Promotes better sleep quality.
  • Vegan and allergen-free formula.
Main Highlights
  • MAGNESIUM FOR SLEEP & COGNITIVE SUPPORT: Offering 2000 mg of Magnesium Threonate per serving, this formula enhances short-term memory (2), sharpens focus (2) and attention, and promotes mental alertness; Magnesium also supports a normal sleep cycle+
  • CLINCALLY STUDIED INGREDIENT: This Megafood Magnesium product is formulated with Magtein (1), a clinically studied type of Magnesium that has been shown to offer multi-benefit cognitive support+
  • HIGHLY BIOAVAILABLE MAGNESIUM & MADE WITH REAL FOOD: Formulated with L-Threonate to help increase the brain's Magnesium levels, which is crucial to supporting cognitive function; Paired with 100 mg of blueberries per serving, a natural source of polyphenols known for their antioxidant benefits+
  • TAKE ANY TIME OF DAY: Adults take three capsules any time of day with food and a beverage; Bottle contains 90 capsules for 30 servings
  • FREE FROM COMPROMISE: Vegan, Gluten Free, tested for 150 chemical substances, GMP quality assured, and made without the nine top food allergens including milk, eggs, peanuts, tree nuts, soy, wheat, fish, shellfish, and sesame
9.5
Superb
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6
9.4
Superb
Nature’s Bounty Magnesium L-Threonate – Advanced Magnesium Supplement with Vitamin C, Vitamin D3, and Vitamin B6 – Supports Brain Health, Energy, Nerve & Immune Support Supplement – 90 Capsules
Nature's Bounty

Nature’s Bounty Magnesium L-Threonate – Advanced Magnesium Supplement with Vitamin C, Vitamin D3, and Vitamin B6 – Supports Brain Health, Energy, Nerve & Immune Support Supplement – 90 Capsules

Why we love it
  • Supports cognitive function effectively.
  • Increases daily energy levels.
  • Enhances overall wellness and balance.
Main Highlights
  • BRAIN HEALTH: Highly absorbed magnesium l-threonate supports cognitive function; may help to increase daily productivity(1)(2); delivers targeted brain nourishment with Magtein, a form of magnesium clinically studied for its ability to cross the blood-brain barrier (1)
  • DAILY ENERGY: Helps you feel more energetic to increase daily productivity (1)(2); supports overall wellness (1)
  • WHOLE BODY WELLNESS FORMULA: Includes Vitamin C, Vitamin D3 and Vitamin B6 for nerve, heart, bone and immune support; supports overall wellness and balance (1); complements brain supplements for memory and focus
  • CLINICALLY STUDIED INGREDIENT: Formulated with Magtein, a clinically studied ingredient; helps supports normal cognitive function; designed for high bioavailability to deliver effective nutritional support for the brain and body (1)
  • TRUSTED QUALITY: Nature’s Bounty has been making trusted products for 50 years; backed by science and made with high quality ingredients; Nature’s Bounty Magnesium L-Threonate capsules are is non-GMO, and gluten free
9.4
Superb
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7
9.4
Superb
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
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

Why we love it
  • Supports quick thinking abilities.
  • Enhances short-term memory function.
  • Promotes overall cognitive health.
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 don’t 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, we’ve 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. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
9.4
Superb
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8
9.3
Superb
Sports Research® Magnesium L-Threonate Capsules 2000mg - High-Absorption Magtein® for Enhanced Brain Health, Memory, Focus & Restful Sleep Support - Vegan · Non-GMO · Gluten Free - 90 Count
Sports Research

Sports Research® Magnesium L-Threonate Capsules 2000mg - High-Absorption Magtein® for Enhanced Brain Health, Memory, Focus & Restful Sleep Support - Vegan · Non-GMO · Gluten Free - 90 Count

Why we love it
  • Supports brain health and cognition.
  • Made with patented Magtein formula.
  • High-quality, non-GMO ingredients used.
Main Highlights
  • HIGHLY BIOAVAILABLE FORM: Magnesium L-threonate is the salt formed from mixing magnesium and threonic acid, a water-soluble substance derived from the metabolic breakdown of vitamin C. Easily absorbed, our magnesium L threonate capsules are used for their overall brain health benefits and may help support memory, focus, relaxation, mood, and cognition.
  • MADE WITH MAGTEIN: Magtein is a patented compound called threonic acid developed by a group of MIT researchers. Magtein is the only form that effectively crosses the blood-brain barrier and increases magnesium levels in the brain, which is critical for improving cognitive function. Our easy-to-swallow Magtein magnesium L-threonate veggie capsules are the easiest, most convenient way to add this essential mineral to your daily diet.
  • PREMIUM QUALITY: Sports Research takes pride in offering products that use only the best ingredients available so that you can have total peace of mind in the supplements that you are taking. Our magnesium supplement is verified non-GMO and free of gluten and gelatin.
  • MANUFACTURED IN THE USA: Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements. We offer ninety (90) magnesium pills for a one (1) month supply. Reap all the benefits of this powerful and healthy magnesium threonate supplement!
  • THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people live their best lives through real, research-backed ingredients created for every body — inside and out.
9.3
Superb
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9
9.1
Superb
Magnesium L-Threonate Capsules, High Absorption Magnesium Supplement 1600mg, Chelated Magnesium for Brain, Cognitive, Sleep & Muscle Support, Gentle on Stomach, 120 Vegan Capsules
NATURE TARGET

Magnesium L-Threonate Capsules, High Absorption Magnesium Supplement 1600mg, Chelated Magnesium for Brain, Cognitive, Sleep & Muscle Support, Gentle on Stomach, 120 Vegan Capsules

Why we love it
  • Supports brain and cognitive function.
  • Promotes restful sleep and relaxation.
  • Gentle formula, easy to swallow.
Main Highlights
  • Magnesium Mineral Supplements: 120 Magnesium capsules lasting you at least 60 days. Get your daily elemental magnesium 145mg in just two easy swallowing capsules. Magnesium for men and women support for brain, sleep, muscle and bone for overall wellness.
  • Brain Support Formula: Magnesium supplements effectively cross the blood-brain barrier to support cognitive function. This specialized form of magnesium helps enhance memory formation, improve learning capacity, and maintain mental clarity without digestive discomfort.
  • Cognitive & Mental Support: Each serving delivers 1600mg Magnesium L-Threonate to support neurotransmitter activity and brain cell communication. The formula support focus, memory, and information recall, helping you maintain mental performance.
  • Calm Mind & Restful Sleep Support: This magnesium supplement helps regulate neurotransmitters for a balanced mood and relaxed mental state. By supporting healthy activity, it promotes deeper, more restorative sleep, making it ideal for nighttime use.
  • Gentle Formula: Featuring superior absorption capabilities, our high absorption magnesium provides better benefits without the laxative effects common in other magnesium forms. The vegan capsules are stomach-friendly and designed for easy swallowing.
  • Our Strength: Pure magnesium l-threonate is produced in a GMP-certified facility and rigorously third-party tested to ensure purity and accurate potency. The advanced magnesium is Non-GMO, Gluten-Free,Vegan-friendly, no artificial additives or fillers.
9.1
Superb
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10
9.0
Superb
Save 8%
Nature Made High Absorption Magnesium Glycinate 300mg per 3 Capsules, Magnesium Supplement for Muscle, Heart, Nerve and Bone Support, 90 Magnesium Bisglycinate Capsules, 30 Day Supply
Nature Made

Nature Made High Absorption Magnesium Glycinate 300mg per 3 Capsules, Magnesium Supplement for Muscle, Heart, Nerve and Bone Support, 90 Magnesium Bisglycinate Capsules, 30 Day Supply

8% Off
Why we love it
  • Supports heart and bone health.
  • Gentle on the stomach.
  • High absorption for energy.
Main Highlights
  • Magnesium Bisglycinate Capsules; Heart, nerve and bone support supplement: contains one 90 count bottle of Nature Made Magnesium Glycinate 300 mg per 3 capsules for a 30-day supply
  • A high absorption Magnesium supplement for women and men(1) that helps convert food into cellular energy and supports muscle relaxation, bone health, heart health, nerve health
  • Gentle on the stomach, Magnesium Glycinate helps relax the body, and is a highly bioavailable form of magnesium(1) that is chelated
  • Magnesium helps support the production of Melatonin
  • Adults take three Magnesium capsules daily with water and a meal
  • This gluten free Magnesium 300mg supplement (per 3 capsules) contains no color added and no artificial flavors
  • #1 Pharmacist Recommended Vitamin & Supplement Brand*
  • These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease
9.0
Superb
Save 8%
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We reviewed the most relevant Magnesium Threonate Supplement Nature Made offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Natures Craft, Double Wood Supplements, Nature Made, MegaFood, Nature's Bounty, Life Extension, Sports Research, NATURE TARGET, known for dependable quality and smart design.
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To determine today's best Magnesium Threonate Supplement Nature Made, we analyzed 8206 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
High Absorption Magnesium Sleep Supplement - Rest Support Magtein Magnesium L-Threonate and Apigenin Theanine for Sleep and Rest for Women & Men - Mg L-Threonate Melatonin Free Sleeping Aid - 90 Ct

Our overall winner is High Absorption Magnesium Sleep Supplement - Rest Support Magtein Magnesium L-Threonate and Apigenin Theanine for Sleep and Rest for Women & Men - Mg L-Threonate Melatonin Free Sleeping Aid - 90 Ct by Natures Craft. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Promotes deep, restful sleep.
✓Supports mood and cognitive function.
✓Made in the USA.
💎 Best Value
Magnesium L Threonate, Magtein, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules

The best value for most shoppers is Magnesium L Threonate, Magtein, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules by Double Wood Supplements, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium-Supplement, 90 Capsules, 30 Day Supply,(Pack of 2)

The strongest deal right now for Magnesium Threonate Supplement Nature Made is Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Mag from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium-Supplement, 90 Capsules, 30 Day Supply,(Pack of 2) at Nature Made, currently at 27% off.

🔄Our Magnesium Threonate Supplement Nature Made ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.