PS-100 (Phosphatidylserine 100mg)Ingredients: Phosphatidylserine, Phosphatidylcholine, Phosphatidylethanolamine Other Ingredients: gelatin, glycerin, polyglycitol syrup, water, Contains Soy. Information: Phosphatidylserine (PS) is a phospholipid that is critical to the maintenance of cellular function. PS is particularly concentrated in the brain and helps to keep heartbeat coordination, hormone secretion, and memory related pathways functioning smoothly. Research indicates that when