Promotes Optimal Brain Health Supports Memory, Learning & Focus Aides Healthy Cortisol Levels Dietary SupplementPhosphatidylserine (PS) is a naturally occurring phospholipid in the brain that has an important impact on specific neurotransmitters including acetylcholine, serotonin, norepinephrine and dopamine. Numerous clinical studies have indicated that 300 mg of PS taken daily demonstrated positive support on attention, concentration, focus and memory. High Potency Vital Brain Nutrient With Vitamin C Protection Same Material Used in Human Clinicals