Magnesium L-Threonate Supplements Products

Best Magnesium L-Threonate Supplements (Updated December 2025)

Magnesium L-Threonate supplements are perfect for promoting mental sharpness, calm, and long-term brain wellness. BuyersReport's experts have broken down the features, & benefits of the top-rated, most effective options so you can make an informed choice – our comprehensive review can help you find the best magnesium L-threonate for your brain health and cognitive function.

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Best Overall

Sports Research

Magnesium L-Threonate for Cognitive Health

10.0 (1,698 reviews)

Supports brain clarity for better focus, memory strength & smoother cognitive flow
Promotes calm nerves for improved rest, relaxed evenings & a steadier mood
High-absorption formula supports daily brain wellness & balanced nerve function
Each serving offers 2,000mg magnesium L-threonate in 90 clean vegan capsules
Non-GMO, gluten-free, vegan friendly & quality tested for purity & reliable use

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Picked by 278 people today

Nutricost

Magnesium L-Threonate for Memory & Sleep Support

9.9 (834 reviews)

Supports healthy brain function for clearer thinking, focus & daily productivity
Helps promote calm mood & restful sleep for improved relaxation & recovery
Magtein form offers high absorption to support cognitive, nerve & overall wellness
120 capsules provide 2,000mg per daily serving for steady mental support
Made in a vegetarian formula, non-GMO, gluten-free & tested for quality assurance

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Picked by 134 people today

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Double Wood

Magnesium L-Threonate for Cognitive & Sleep Support

9.8 (17,830 reviews)

Supports brain vitality for improved clarity, focus & overall cognitive balance
Promotes a relaxed nervous system to encourage deeper rest & a steadier mood
Bioavailable form offers targeted magnesium support for brain & nerve wellness
Each daily serving provides 2,000mg magnesium L-threonate in 120 capsules
Non-GMO, gluten-free, quality tested & formulated without artificial ingredients

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Picked by 270 people today

Designs for Health

Magnesium L-Threonate for Brain Health & Sleep

9.7 (1,368 reviews)

Supports healthy cognitive performance for clearer focus & memory retention
Encourages relaxation to help ease stress & support more restorative sleep
High-absorption formula helps nourish brain pathways for steady cognitive wellness
Each 3-capsule serving delivers 144mg elemental magnesium for steady daily support
Non-GMO, gluten-free, vegan friendly & third-party tested for purity & quality

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Picked by 156 people today