A factor for the maintenance of good healthUnique form of MagnesiumMagnesium (Mg) is an essential mineral best known for its role in bone and nervous system functionDescriptionNOW - Magtein Mag L-Threonate - 90 veggie Capsule(s) - NPN: 80061438 -- Magtein Magnesium L-Threonate Veg CapsulesMagnesium (Mg) is an essential mineral best known for its role in bone and nervous system function. Recent research has demonstrated that it is also critical for normal brain health and normal cognitive function by maintaining the density and stability of neuronal synapses. However, most forms of Mg are not easily absorbed into the nervous system. Magtein is a patented form of Mg that readily crosses the blood-brain barrier for utilization in the brainINGREDIENTS Medicinal Ingredients Magnesium48 mg Non-Medicinal Ingredients Hypromellose Magnesium Stearate Silica White rice flour