10 Best magnesium l threonate capsules 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.
9.8

Exceptional

Our Rating
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Value for Money

2

Jarrow Formulas
Jarrow Formulas Magnesium L-Threonate, MagMind Magtein Brain Supplements for Memory Support, 90 Veggie Capsules, Up to a 30 Day Supply

34% Off
Main highlights

Brain Health Support
Formulated with Magtein Magnesium L-Threonate to enhance cognition, memory, and alertness.

Ideal for Cognitive Support
Best for individuals seeking improved brain health and memory support.

Praised for Sleep Improvement
Customers report significant sleep quality enhancement and reduced sleep needs.
9.5

Excellent

Our Rating

9.3
simple to consume

9.1
worth the money

8.9
Flavor
3

Double Wood Supplements
Magnesium L Threonate Capsules (Magtein) – High Absorption Supplement – Bioavailable Form for Sleep and Cognitive Function Support – 2,000 mg – 100 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.
9.4

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.
9.3

Excellent

Our Rating

9.3
simple to consume

9.1
Absorbency

9.1
Flavor
5

Fleamart
Magnesium L-Threonate Capsules for Brain & Sleep and Memory & Attention Magnesium L-Threonate 2000mg Complex High Absorption Supplement 120 Capsules, 30 Day Supply
Main highlights

High Absorption for Brain Health
Magnesium L-Threonate is highly bioavailable, supporting brain, sleep, memory, and attention.

Ideal for Sleep and Cognitive Support
Perfect for enhancing sleep quality and cognitive functions, ideal for those seeking neuroprotection.

Customer Praised Digestive Tolerance
Highly praised for causing fewer digestive issues compared to other magnesium types.
9.2

Excellent

Our Rating
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6

KAPPA NUTRITION

(150 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition.
9.1

Excellent

Our Rating
7

Bumjazz

Magnesium L-Threonate Capsules – Magnesium Supplement – 1,800 mg – 120 Counts
8.9

Very Good

Our Rating
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.
8.8

Very Good

Our Rating

9.5
worth the money

9.5
Absorbency

9.3
simple to consume
9

Horbäach
Horbäach Magtein Magnesium L-Threonate | 2000mg Supplement | 100 Capsules | for Men & Women | Non-GMO and Gluten Free
Main highlights

High Potency Magnesium
Provides 2,000 mg of Magnesium L-Threonate per serving for optimal absorption.

Ideal for Cognitive Support
Perfect for users seeking enhanced mental clarity and better sleep.

Customer Satisfaction on Sleep
Users report improved sleep and feeling more rested.
8.5

Good

Our Rating

9.9
simple to consume

9.7
quality of ingredients

9.5
quality of sleep
10

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

25% Off
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.
8.4

Good

Our Rating

9.9
worth the money

9.9
quality of sleep

9.9
Absorbency

10 Best magnesium l threonate capsules 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

Jarrow Formulas Magnesium L-Threonate, MagMind Magtein Brain Supplements for Memory Support, 90 Veggie Capsules, Up to a 30 Day Supply

9.3

9.1

8.9

3

Magnesium L Threonate Capsules (Magtein) – High Absorption Supplement – Bioavailable Form for Sleep and Cognitive Function Support – 2,000 mg – 100 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

Magnesium L-Threonate Capsules for Brain & Sleep and Memory & Attention Magnesium L-Threonate 2000mg Complex High Absorption Supplement 120 Capsules, 30 Day Supply

6

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

7

Magnesium L-Threonate Capsules – Magnesium Supplement – 1,800 mg – 120 Counts

8

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

9.5

9.5

9.3

9

Horbäach Magtein Magnesium L-Threonate | 2000mg Supplement | 100 Capsules | for Men & Women | Non-GMO and Gluten Free

9.9

9.7

9.5

10

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

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