Phosphatidyl Serine 100mg by Now Foods 30 VegCap This multi-tasking phospholipid is a major structural component of neural membranes that assists in the conduction of electrical impulses and moreover plays a key role in the absorption of nutrients essential for optimal cognitive function. As we age our natural production of PS slows and as a result our ability to learn and concentrate gradually declines. PS has also been proven to inhibit the secretion of cortisol a hormone often found viciously elevated in individuals who are frequently stressed and depressed. NOW PS 100 mg may be the edge you need to operate at your best no matter what youre facing. From the FDA"s website Consumption of phosphatidylserine may reduce the risk of dementia in the elderly. Very limited and preliminary scientific research suggests that phosphatidylserine may reduce the risk of dementia in the elderly. FDA concludes that there is little scientific evidence supporting this claim.