Quick Answer
Use iHerb discount code KHQ339 at checkout.
Brain and Nervous System Health100 mg Per CapsuleDietary SupplementSharp-PS®For mental nourishment and brain health try Swanson Phosphatidylserine! An important member of the phospholipid nutrient family phosphatidylserine (PS) is essential to the structure and function of cellular membranes. PS is found in particularly high amounts in cell membranes and brain tissue which is why researchers have investigated its benefits for mental nourishment.