(BeWellBuzz) Phosphatidylserine belongs to a class of chemicals known as phospholipids, which are fat-soluble chemicals that are vital for cell membranes.Phosphatidylserine is a non-essential nutrient. The term 'non-essential nutrient' refers to nutrients that our body can produce naturally. We can also procure Phosphatidylserine from food. With that said, it is important ... Continue Reading