L-serine

L-Serine (CAS 56-45-1) is a non-essential amino acid used in food, pharmaceutical, and cosmetic manufacturing as a functional ingredient and formulation component. Also designated L-Ser and Serinum.

Where is L-serine used?

• Nutraceuticals and dietary supplements: amino acid blends, protein fortification systems, cognitive health formulations
• Pharmaceuticals: precursor and stabilizing excipient in injectable solutions and infusion fluids
• Cosmetics: humectant in skin-conditioning serums, moisturizing creams, and leave-on treatments
• Food and beverage: pH buffering and antioxidant stabilization
• It supports moisture retention, buffering, and stability.

Good to know: Pharmaceutical-grade material is subject to stricter purity and residue specifications. Grades include USP, Ph. Eur., food-grade (FCC), BP, EP, and ACS.

Commercial specifications

• Highly soluble in water
• Stable under standard processing conditions
• Bulk quantities for industrial formulation; smaller quantities for R&D and quality assurance