Jarrow Formulas, MagMind, 90 CapsulesMagnesium L Threonate (Magtein) Supports Cognition and Brain Health Dietary Supplement MagMind (Magnesium L Threonate, or Magtein) is the only form of magnesium that has been shown, by promising research, to readily cross the bold brain barrier and provide significant positive effects on cognition, memory and brain health. MagMind may also improve relaxation and sleep quality.
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