Naomi Magtein® Magnesium L-Threonate is one of the most advanced forms of magnesium available today. Unlike common magnesium supplements, this breakthrough form is specifically designed to cross the blood–brain barrier and deliver powerful support for memory, learning, and overall cognitive performance.
What Makes Magnesium L-Threonate Different?
Superior absorption & bioavailability — one of the most efficiently absorbed forms of magnesium
Crosses the blood–brain barrier — targeting brain health directly
Clinically studied Magtein® — the exact form used in gold-standard human research
Gentle on digestion — unlike oxide, sulfate, or carbonate forms, which may upset the stomach or act as laxatives
Enhanced by science — combines elemental magnesium with threonic acid (a natural by-product of vitamin C metabolism) to boost absorption and effectiveness
Experience the Naomi difference — clean, rigorously tested ingredients for potency, purity, and peace of mind.
How Long Does It Take to See Results?
Because of its naturally high absorption rate, Magnesium L-Threonate begins working more quickly than many other forms of magnesium.
Clinical studies show measurable cognitive improvements in as few as 30 days.
If you are magnesium deficient, it may take longer for your body to replenish essential levels needed to support the hundreds of enzymatic processes magnesium powers.
How Is Magtein® Magnesium L-Threonate Different From Other Magnesium Products?
Most magnesium products support general health — but cannot effectively reach the brain.
Naomi Magtein® Magnesium L-Threonate is the only form of magnesium shown to cross the blood–brain barrier, where it can support:
Working memory
Executive function
Learning capacity
Long-term brain resilience
Why Choose Naomi’s Formula?
High absorption and gentle on digestion
Clinically backed with human research
Manufactured in clean, NSF-certified facilities
100% non-GMO, purity-tested, and free from soy, dairy, and unnecessary fillers
FAQ's
Q: What should I do if I experience side effects or have a product concern?
While NAOMI formulas are carefully crafted to be safe, every individual is different. If you ever experience any side effects while taking this product — or notice a product quality concern (such as a broken seal or capsules) — please email us right away at [email protected] with a description of the issue. A member of our team will be happy to help you.
How to Take It
Take as directed on the product label for best results
Can be taken with a full glass of water
If preferred, capsules may be opened and mixed into a non-carbonated beverage, smoothie, or yogurt without losing potency
Support your brain today with NAOMI Magtein® Magnesium L-Threonate — the smarter magnesium for memory, focus, and long-term cognitive health.