Magtein Magnesium L-Threonate Review
Magtein Magnesium L-Threonate, Memory, Focus & Sleep – 60 Veg Capsules
$32.20 (price as of 2026-11-07)
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Adaptogenic summarizes what supplement users report on Reddit. It is not medical advice, and these statements have not been evaluated by the FDA. Talk to a doctor before starting a supplement, especially if you take medication or are pregnant.
Reddit score
3.8 Based on 127 Reddit owner comments · Top 25% of 4 tracked l-theanine & magnesium
| Owner sentiment | 3.9 | |
| Recommendations | 5.0 | |
| Spec score | Not rated | |
| Value | 2.7 |
How these are computed: methodology. Components without evidence show “Not rated” and their weight moves to the others.
Is the Magtein Magnesium L-Threonate worth it?
Based on 127 Reddit owner comments, the Magtein Magnesium L-Threonate scores 3.8 out of 5 (owner comments average 3.9 stars), and the theme owners raise most is sleep (68 mentions).
Who it suits
- You care about sleep (53 positive owner mentions)
- You care about calm stress (20 positive owner mentions)
- You care about focus (18 positive owner mentions)
Who should skip it
- Sleep matters a lot to you (13 critical owner mentions)
- Calm stress matters a lot to you (6 critical owner mentions)
- Value matters a lot to you (3 critical owner mentions)
What Reddit owners say
101 positive and 21 critical owner comments. Quotes link to the original Reddit comment.
Key specs
As listed on the Amazon product page we checked; missing fields are never estimated.
- MAGTEIN: UNIQUE PATENTED FORMULA - Magtein Magnesium L Threonate supplement features Vitamin C and Vitamin D for enhanced brain absorption, supporting optimal cognitive function for men and women
- MAGNESIUM SUPPLEMENT BENEFITS - Our magnesium capsules promote increased energy, improved digestion, restful sleep, reduced fatigue, and balanced calcium and magnesium levels
- OPTIMAL BRAIN SUPPORT - Magnesium L-Threonate is the only form of magnesium clinically shown to cross the blood-brain barrier, supporting cognitive function, memory, and learning
- HIGH-QUALITY INGREDIENTS - Free from fillers, artificial colors, flavors, preservatives, and Magnesium Stearate, our capsules are non-GMO, kosher, and gluten-free
- Manufactured in the USA with US and imported materials
- #7,531 in Health & Household ( See Top 100 in Health & Household )
| Item Form | capsules |
|---|---|
| Primary Supplement Type | Magnesium |
| Flavor | Unflavored |
| Product Benefits | Memory Health |
| Diet Type | Kosher, Vegetarian |
| Unit Count | 60 Count |
| Number of Items | 1 |
| Item Weight | 3 ounces |
| Brand Name | Magtein |
| Age Range Description | All Ages |
| Item Highlight | Brain health formula for men & women | Clinically researched | Cognitive support for adults | 60 veg capsules |
| UPC | 798304369144 |
| Material Type Free | egg free,no artificial flavors,gmo free,preservatives free,salt free,wheat free,gluten free,starch free,dairy free,sugar free,yeast free |
Adaptogenic is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Commissions never affect scores, rankings, or verdicts.
FAQ
Is the Magtein Magnesium L-Threonate worth it?
Based on 127 Reddit owner comments, the Magtein Magnesium L-Threonate scores 3.8 out of 5 (owner comments average 3.9 stars), and the theme owners raise most is sleep (68 mentions).
What do Reddit owners complain about with the Magtein Magnesium L-Threonate?
The most common critical theme is sleep (13 mentions).
How much does the Magtein Magnesium L-Threonate cost?
It was $32.20 on Amazon when we checked on 2026-11-07. Prices change, so check Amazon for the current price.
Alternatives
Pure Encapsulations Magnesium Glycinate
3.5 (32 owner comments)
$27.00 (price as of 2026-11-07)
“Pure Encapsulations, Solgar, Garden of Life and more to Nestlé, now Thorne to P&G.”
Read review →Natural Vitality Calm Magnesium Powder
3.4 (2 owner comments)
$24.57 (price as of 2026-11-07)
“I take Natural Vitality CALM (citrate and glycinate combo).”
Read review →Doctor's Best High Absorption Magnesium Glycinate
3.8 (1 owner comments)
$13.99 (price as of 2026-11-07)
“I got Life Extension Multivitamins, Doctors best magnesium, now foods magnesium glycinate, Sunday natural vitamin D and bunch of others so I’m only mi”
Read review →Keep deciding
More MagteinAll l-theanine & magnesiumBuying guideMethodology
Last updated 2026-11-07. Amazon listing ASIN B011M06YFG.