Phosphatidylserine (PS) is an amino acid derivative compound that is fat-soluble and found in high amounts in the brain, where it contributes to cognitive functioning. Found in high amounts in fish, it may improve memory in the elderly and lowers cortisol.
We have two PS.
PHOSPHATIDYLSERINE (Soy lecithin derived)
PHOSPHATIDYLSERINE (Fish derived, SOY FREE)