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Phosphatidyl serine (PS) is a natural compound that’s an important component of cell membranes, where it plays an essential role in communication and the transfer of nutrients between cells. Derived from non-GMO sunflower lecithin, NOW Soy-Free Sunflower Phosphatidyl Serine supports brain health, nervous system function, and the activity of neurotransmitters involved in learning, memory, and mood.
