Magtein Magnesium L-ThreonateHelps support cognitive functions Provides 667 mg of Magtein Magnesium L Threonate, equivalent to 48 mg of elemental magnesium Formulated with Magtein, a patented form of magnesium L threonate that crosses the blood brain barrier and supports cognitive functions. Provides the only form of magnesium shown in clinical trials to increase magnesium levels in the brain. Regulates the structure and function of neurons in the prefrontal cortex and
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