10 Best magnesium l threonates of 2025

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Best Choice

1

NOW Foods
NOW Foods Supplements Magtein, Magnesium L-Threonate, Cognitive Support*, 180 Veg Capsules
Main highlights

Patented Form for Brain Health
Magtein is a patented magnesium form that supports cognitive function.

Ideal for Cognitive Enhancement
Perfect for individuals seeking improved memory and mental clarity.

Praised for Easy Consumption
Customers appreciate the easy-to-swallow capsules without aftertaste.
Key specs
- Form:Patented form
- Bioavailability:Crosses blood-brain barrier
- Elemental Magnesium:Magtein
- Dietary Restrictions:N/A
- Usage Instructions:N/A
9.8

Exceptional

Our Rating
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Value for Money

2

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

13% Off
Main highlights

Cognitive and Memory Support
Clinically studied to support healthy cognitive function and short-term memory.

Daily Wellness Routine
Ideal for adults seeking cognitive enhancement and overall health support.

Positive Customer Feedback
Praised for easy assimilation and lack of gastric issues.
Key specs
- Form:Capsules
- Bioavailability:Clinically studied
- Elemental Magnesium:130 mg
- Dietary Restrictions:Gluten free
- Usage Instructions:Take 3 capsules daily
9.5

Excellent

Our Rating

9.9
Flavor

9.7
materials Quality

9.3
quality of sleep
3

Double Wood Supplements
Magnesium L Threonate, Magtein™, Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules
Main highlights

Supports Brain Magnesium Levels
Magtein Magnesium L-Threonate is the only form clinically proven to boost brain magnesium levels.

Ideal for Sleep and Cognitive Health
Perfect for those seeking enhanced sleep quality and cognitive support.

Praised for Sleep Improvement
Customers appreciate its effectiveness in improving sleep without causing a laxative effect.
9.3

Excellent

Our Rating

9.7
simple to consume

9.5
Absorbency

9.3
quality of sleep
4

Life Extension
Life Extension Neuro-Mag Magnesium L-Threonate, Magnesium L-threonate, Memory Health, Quick Thinking, Cognitive Health Support, Vegetarian, Non-GMO, 90 Vegetarian Capsules
Main highlights

Highly Bioavailable Magnesium
Magnesium L-threonate crosses the blood-brain barrier, enhancing brain health and cognitive function.

Perfect for Brain Support
Ideal for boosting memory, focus, and cognitive performance in daily activities.

Customer-Praised Sleep Aid
Widely appreciated for improving sleep quality and depth.
Key specs
- Form:Capsules
- Bioavailability:Highly absorbable
- Elemental Magnesium:Magnesium L-threonate
- Dietary Restrictions:Non-GMO, gluten-free
- Usage Instructions:Start with 1 capsule
9.2

Excellent

Our Rating

9.3
simple to consume

9.1
Absorbency

9.1
Flavor
5

Hallusa Natural

HALLMAGNESIUM L-Threonate 2000mg - Calm Magnesium Powder, Magnesium Capsules for Brain Health, Cognitive Support & Sleep Support, Magnesium Threonate Supplement – 60 Caps
9.0

Excellent

Our Rating
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6

Sports Research
Sports Research Magtein Magnesium L-Threonate Capsules - Magnesium Supplement for Memory, Focus & Cognition - Magnesium L Threonate Supports Brain Health, Sleep & Mood - 2000mg, 90 Capsules for Adults
Main highlights

Highly Bioavailable Magnesium
Magnesium L-threonate enhances brain health, memory, and focus.

Ideal for Cognitive Support
Best used for boosting cognition, mood, and relaxation.

Customer Praised Effectiveness
Users report improved cognitive function and memory recall.
Key specs
- Form:Veggie capsules
- Bioavailability:Highly bioavailable
- Elemental Magnesium:Magnesium L-threonate
- Dietary Restrictions:Non-GMO, gluten-free
- Usage Instructions:N/A
8.9

Very Good

Our Rating

9.9
worth the money

9.9
quality of sleep

9.9
Absorbency
7

KAPPA NUTRITION
(120 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.
Main highlights

Highly Bioavailable Magnesium
L-Theonate enhances magnesium's absorption, improving bioavailability and effectiveness.

Ideal for Cognitive Health
Promotes memory recall and cognitive function, great for aging adults.

Praised for Sleep Support
Customers report improved sleep quality and relaxation.
Key specs
- Form:Capsule
- Bioavailability:Highly absorbable
- Elemental Magnesium:L-Theonate, Malate
- Dietary Restrictions:N/A
- Usage Instructions:N/A
8.8

Very Good

Our Rating

9.7
Absorbency

9.7
simple to consume

9.7
Flavor
8

NOW Foods
NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg Capsules

37% Off
Main highlights

Patented Magnesium Form for Brain Health
Magtein, a patented magnesium form, supports brain health and cognitive function by crossing the blood-brain barrier.

Ideal for Cognitive Enhancement and Relaxation
Perfect for improving mental alertness, memory, and promoting a relaxed mood.

Highly Praised for Sleep Improvement
Customers report noticeable improvements in sleep quality and relaxation.
Key specs
- Form:Capsules
- Ingredients:Magnesium Mg, Magtein
- Benefits:Supports brain health
- Gluten-Free:N/A
- Capsules:N/A
8.7

Very Good

Our Rating

9.5
worth the money

9.5
Absorbency

9.3
simple to consume
9

Saajoor

Magnesium L-Threonate Gummies 1000mg - Supplement for Kids & Adults, Muscle & Nervous System Support, Non-GMO, Sugar-Free, Raspberry Flavor, 60 Gummies

10% Off
8.4

Good

Our Rating
10

Teraputics
Magnesium L Threonate, Magtein™, Brain Supplement for Memory, Focus, Sleep and Cognitive Support, High Absorption Magnesium L-Threonate, Non-GMO, No Laxative Effect – 2000 mg, 100 Vegan Capsules
Main highlights

Highly Absorptive Formula
The Magnesium L Threonate Original Magtein Formula is highly absorptive, providing 2000 mg per serving for optimal cognitive support and relaxation.

Ideal for Cognitive Enhancement
Perfect for those seeking improved focus, concentration, and memory support without laxative effects, making it suitable for daily cognitive enhancement.

Improved Sleep Quality
Customers frequently praise its ability to enhance sleep quality, helping users achieve deeper and more restful sleep.
8.2

Good

Our Rating

9.9
simple to consume

9.9
Absorbency

9.3
worth the money

10 Best magnesium l threonates of 2025

1

NOW Foods Supplements Magtein, Magnesium L-Threonate, Cognitive Support*, 180 Veg Capsules

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.9

9.7

9.3

3

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

9.7

9.5

9.3

4

Life Extension Neuro-Mag Magnesium L-Threonate, Magnesium L-threonate, Memory Health, Quick Thinking, Cognitive Health Support, Vegetarian, Non-GMO, 90 Vegetarian Capsules

9.3

9.1

9.1

5

HALLMAGNESIUM L-Threonate 2000mg - Calm Magnesium Powder, Magnesium Capsules for Brain Health, Cognitive Support & Sleep Support, Magnesium Threonate Supplement – 60 Caps

6

Sports Research Magtein Magnesium L-Threonate Capsules - Magnesium Supplement for Memory, Focus & Cognition - Magnesium L Threonate Supports Brain Health, Sleep & Mood - 2000mg, 90 Capsules for Adults

9.9

9.9

9.9

7

(120 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.

9.7

9.7

9.7

8

NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg Capsules

9.5

9.5

9.3

9

Magnesium L-Threonate Gummies 1000mg - Supplement for Kids & Adults, Muscle & Nervous System Support, Non-GMO, Sugar-Free, Raspberry Flavor, 60 Gummies

10

Magnesium L Threonate, Magtein™, Brain Supplement for Memory, Focus, Sleep and Cognitive Support, High Absorption Magnesium L-Threonate, Non-GMO, No Laxative Effect – 2000 mg, 100 Vegan Capsules

9.9

9.9

9.3

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