Phosphatidyl Serine Matrix 500 mg 60 SoftgelsDietary Supplement Supports Memory and Cognition Phosphatidylserine is a nutrient essential to the brains structure and function. As a nerve cell building block, phosphatidylserine works in concert with omega 3 and other fatty acids to support healthy cognitive function including memory, learning, comprehension, and word recall. Sharp PS softgels use a unique encapsulation method that helps ensure long shelf life and optimum potency.