- Last Updated: 21 November 2015 21 November 2015
Phosphatidylserine is located in the internal layers of biologic membranes.
There is some indication that phosphatidylserine may have some cognition enhancing activity. Its action has not been established.
In Alzheimer's disease the substance is believed to work by helping maintain an adequate supply of acetylcholine. Lecithin would probably work just as well for this.
It is known that levels of L-serine are often low for unknown reasons in people with neurological problems. Such individuals might be helped by the L-serine component phosphatidylserine.
Contraindications: None, except those allergic to eggs or soy should avoid the product when it is derived from those sources. Also those wishing to avoid mad cow disease should not take the supplement if it is derived from bovine brain.
Precautions: Those with antiphosphpholipid-antibody syndrome should only take it under medical supervision.
Adverse reactions: GI symptoms.
Interactions: None known.
Dosage: 100 mg. three times a day.