PS 100Supports mental acuity, memory, and healthy phospholipid balance in cell membranes* Phosphatidylserine is a phospholipid found in all cells, but is most concentrated in brain cells. This familiarly called brain nutrient supports cognitive function, emotional well being and behavioral performance. It has also been shown to support healthy memory. In a double blind, placebo controlled, multicenter study of 425 individuals, daily supplementation of