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Phosphatidylserine

Phosphatidylserine is a phospholipid found in cell membranes, especially in the brain. Supplements are usually made from soy or sunflower lecithin.

Also listed as PS, Phosphatidyl Serine

Stress & MoodCognition

The source is part of the evidence

Soy-derived PS and PS containing omega-3 fats differ in composition. The EU’s 2013 register records that assessed PS cognitive claims could not be substantiated because the ingredient was insufficiently characterized. That historical assessment highlights why a product’s precise composition matters. 1 2 3

Sources