Phosphatidylserine

Phosphatidylserine (CAS 1446756-47-3), abbreviated PS, is a phospholipid occurring in cell membranes and sourced commercially from soy or sunflower lecithin.

Where is Phosphatidylserine used?

• Nutritional and pharmaceutical formulations: bioactive lipid ingredient for cognitive and neurological support
• Cognitive health supplements: primary active ingredient
• Capsules, softgels and functional foods: standardized to defined phosphatidylserine content for label claims
• Personal care: membrane-active moisturizing agent in premium skin care products
• Liposomal drug delivery systems: membrane component in biotechnology and cell culture
• In pharmaceutical and nutraceutical manufacturing it is incorporated into formulations.

Good to know: Soy-free sunflower-derived grades are sought for allergen-sensitive formulations. Food-grade and USP-referenced specifications are available for industrial use.

Commercial specifications

• Standard commercial grades standardized at 20%, 50% or 70% PS content
• Derived from soy or sunflower sources