OptiMag^® Neuro features magnesium L-threonate (as Magtein^®), the only form of magnesium known to cross the blood-brain barrier. Complemented by highly absorbable Albion^® di-magnesium malate and TRAACS^® magnesium lysinate glycinate chelate, this formula is designed to boost the brain’s magnesium level. Magnesium is vital to supporting brain health and promoting healthy nervous system functions.^*