Clinically studied for cognitive decline, memory enhancement, and stress reduction.

Glade, M. J., & Smith, K. (2015). "Phosphatidylserine and
the human brain." Nutrition, 31(6), 781-786.

May lower cortisol levels and improve focus under stress.

Hellhammer, J., et al. (2014). "Phosphatidylserine for stress and cognitive A clinical review." Lipids in Health and Disease, 13(1), 121.