Phosphatidylserine is an important phospholipid found in cell membranes, especially in brain cells. It plays a crucial role in cell function, including signal transmission and cell growth. Phosphatidylserine supplementation may support memory, cognitive function, and mental clarity. It is particularly popular among those looking to improve their mental performance, as well as older adults looking to support their brain health. Phosphatidylserine has also been studied for its potential to improve mood and combat stress, making it a valuable addition to a nutritional supplement store for customers looking for natural ways to improve their mental well-being and cognitive function.