Phosphatidylserine is in every human cell and universally present in living things from the most simple to the most complex.
Phosphatidylserine is a phospholipid (a fatty molecule) which contains both amino and fatty acids,mainly comes from soy lecithin ,sunflower and Antarctic krill,and is now available as a dietary supplement,health & medicine.
Phosphatidylserine has many known functions :
Improve memory
Slow brain fatigue
Boost learning
Treat senile dementia and ADHD.
Relieve stress
Treat depression
Improve sport nutrition
USA ,Korea passed GRAS certification in 2006,China,Japan passed relative policy for it in 2010.