Phosphatidylserine exists in all biomembranes of animals,higher plants and microbes as an important component of cellular phospholipids,for example,it makes 10-20% of total phospholipids in brains of mammals, and plays essential roles in many cellular metabolic process.
Phosphatidylserine Powder,Organic Phosphatidylserine are synthesized in the body of serine compounds, Italy, Scandinavia and other European countries are widely used phosphatidylserine supplements to treat dementia caused by old age and normal memory loss in elderly .