Phosphatidyl Serine (PS) is a phospholipid that is a major component of brain cell membranes.

It plays an important role in communication between nerve cells, neurotransmitter signaling, and neuroplasticity.

The body can synthesize PS on its own, but levels may decline with age.

Research suggests that PS supplementation may help improve cognitive function, memory, and learning ability.

1. Benefits of Phosphatidyl Serine 

1.1 Supports Memory and Focus 

PS helps support synaptic function and neuronal communication.

Research published in the Journal of Clinical Biochemistry and Nutrition in 2010 found that older adults who supplemented with 300 mg/day of PS showed improvements in memory recall and attention.

1.2 Helps Reduce Stress and Cortisol 

PS helps regulate the HPA axis, which may help reduce cortisol levels.

It may help reduce stress-induced cognitive decline.

Research published in the Journal of the International Society of Sports Nutrition in 2006 found that 600 mg/day of PS helped reduce cortisol after exercise and lowered stress perception.

1.3 Supports Brain Health in Older Adults 

PS may help reduce age-related cognitive decline and memory loss.

Research published in Nutrition in 2014 reported that PS may help improve learning, processing speed, and executive function.

2. Who Should Consider Supplementing with PS? 

Older adults who are beginning to experience memory decline.

Working-age adults and students who use their brain heavily.

Athletes and people who face high levels of stress.

People who want to support brain health and cognitive performance.

3. How to Supplement and Recommended Amount 

Common amount: 200–400 mg/day for memory support.

It can be taken with food or as a dietary supplement.

Choose Phosphatidyl Serine products derived from soy lecithin or sunflower lecithin for safety.

Take consistently for at least 8–12 weeks for more noticeable results.

4. Summary 

Phosphatidyl Serine is an important compound for the brain and nerve cell function.

It helps support memory, focus, and cognitive function.

It may help reduce stress and cortisol.

It is suitable for older adults, working-age adults, and people who use their brain heavily.

Supplementing with PS together with balanced nutrition, regular exercise, and sufficient rest may help the brain function at its best and slow cognitive decline.

References 

• Crook TH, et al. “Phosphatidylserine in age-associated memory impairment.” J Clin Biochem Nutr, 2010.

• Monteleone P, et al. “Effects of phosphatidylserine on stress-induced cortisol response.” J Int Soc Sports Nutr, 2006.

• Kidd PM. “Phosphatidylserine and cognitive function.” Nutrition, 2014.

• Benton D, Donohoe RT. “The influence of phosphatidylserine supplementation on mood and memory.” Nutr Neurosci, 2002.

• Glade MJ. “Phosphatidylserine and the human brain.” Nutr Health, 2010.