Sialic acid (N-acetylneuraminic acid) is a derivative of 9-carbon monosaccharide, a neurotransmitter of gangliosides, and an integral part of the brain. Sialic acid can prevent germs from invading. Sialic acid is also the receptor of influenza virus and the binding site of influenza virus in mucous cells.

【Chemical Name】：N-Acetylneuraminic acid

【CAS No.】：131-48-6
【Name】: Sialic acid
【Molecular Formula】: C₁₁H₁₉NO₉

【Specification】: 98% HPLC
【Package】: 0.5Kg, 1Kg/bag

【Maximum levels】：500mg/day

【Function】：1.Promote brain development.
                         2.Anti oxidation, Anti infection