Phone: 480-442-5819
Hours: M-Th: 8:30am-5:30pm MST; F: 8:30-2:30pm PST
Email: sales@dralexrinehart.com
Phone: 480-442-5819
Hours: M-Th: 8:30am-5:30pm MST; F: 8:30-2:30pm PST
Email: sales@dralexrinehart.com
Magnesium is essential for hundreds of bodily functions, but not all forms of magnesium are created equal—especially when it comes to supporting brain health. Advanced Magnesium Threonate uses the patented form known as Magtein®, a magnesium compound shown to effectively cross the blood-brain barrier. This specialized formula delivers targeted support for mental clarity, cognitive performance, and healthy brain aging.
Magnesium is involved in over 300 biochemical reactions in the body, including those crucial for brain and nervous system function. However, most magnesium supplements are poorly absorbed by the brain. This can leave cognitive support lacking, especially during times of mental fatigue or age-related decline. Common forms like magnesium oxide and citrate do not effectively reach the brain where support is most needed.
Magtein®—the patented form of Magnesium L-Threonate—is designed to uniquely deliver magnesium to the brain. Studies have shown that this form of magnesium is able to cross the blood-brain barrier more effectively than other types, making it a promising tool to support cognitive performance, unwanted aging, cognitive decline, and clarity. Its bioavailability means it can nourish neural (memory) pathways without disrupting digestion or causing unwanted side effects.
Unlike other magnesium forms that may remain in the digestive tract or bloodstream to serve other areas of the body and nervous system, Magnesium L-Threonate is specially designed to cross the blood-brain barrier and support brain magnesium levels. This is important because magnesium in the brain is linked to key neurological functions like synaptic density and plasticity, which are associated with learning, memory, and focus especially as we age.
Magtein® is the only patented and clinically studied form shown to effectively elevate brain magnesium levels, and it has been carefully selected for its purity and performance.
Magnesium L-Threonate (Magtein®) – 2,000 mg and provides 144 mg of elemental magnesium in a highly bioavailable form designed to target the brain support and cognitive function.

Suggested Use: Take 2 capsules daily at dinner or bedtime, or as recommended by your health care professional
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*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.