Pure® Encapsulations Phosphatidyl Serine provides phospholipid phosphatidylserine. Phosphatidylserine is a phospholipid synthesized naturally in the human body that forms part of cell membranes. Directions: People interested in providing an extra amount of phospholipids to their diet. How to use: 1 capsule three times a day with meals. Caution: Not for use by children, pregnant women, or breastfeeding women. If you have any health conditions or are taking any medication, consult your healthcare professional before using this supplement. Conservation: Store in a cool, dry place.