Quick Answer
Use iHerb discount code KHQ339 at checkout.
Nervous System SupportFeaturing Magtein®Mineral SupplementScience-Backed Quality Since 1969Magtein®Only form of magnesium shown to cross the blood-brain barrier to promote optimum levels within the brain.Supports learning and memory.Swanson Magnesium L-Threonate featuring Magtein® promotes healthy neuronal activity for the support of healthy cognitive function. Traditional solutions for cognitive support involve stimulating the neurons to promote peak brain function. But over time this can lead to burnout and have the opposite effect. Magnesium L-Threonate works differently. Its patented form of magnesium nourishes the brain. Preliminary research suggests great potential for this magnesium—the only form known to readily cross the blood-brain barrier and function within the brain. Protect the power of your mind today with Magnesium L-Threonate from Swanson Ultra.