Phosphatidylserine (PS) is a naturally occurring phospholipid and is a component of cell membranes. Jarrow Formulas Cogni-PS is a concentrated form of phosphatidylserine from sunflower lecithin that offers superior stability. It does not contain soy and is not derived from genetically modified organisms (non-GMO). Sharp-PS is a registered trademark of Enzymotec Ltd., manufactured and protected under U.S. Patent #8,324,187.
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