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#15 in Minerals Third-Party Tested
Nutricost Magnesium L-Threonate (Magtein) 2000mg
by Nutricost
"The only magnesium proven to cross the blood-brain barrier—Magtein for brain magnesium levels"
Amazon Rating
4.5/5
Reviews
14,560
Price Range
$24.99 - $32.99
Servings
30
GMP CertifiedNon-GMO
Our Editorial Rating
8.3
Very Good
Overview
Magnesium L-threonate (Magtein) is the only form of magnesium shown to significantly increase brain magnesium levels. Developed at MIT, research shows it improves synaptic density, memory, and cognitive function. The premium choice for brain-specific magnesium.
Key Ingredients
| Ingredient | Amount |
|---|---|
| Magnesium L-Threonate (Magtein) | 2,000mg (144mg elemental Mg) |
1 ingredient linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- Magtein branded form
- Crosses blood-brain barrier
- MIT-developed
- Memory research
What Could Be Better
- 30 servings only
- 4 capsules per serving
- Low elemental magnesium
Who Is This For?
Best For
- Brain magnesium levels
- Memory improvement
- Cognitive function
Not Ideal For
- General magnesium deficiency
- Budget magnesium needs
Our Verdict
8.3/10 — Very Good
The brain magnesium. Magtein for blood-brain barrier crossing and memory.
Alternatives to Consider
No direct alternatives listed for this product yet.