Hyaluronic Acid Oligosaccharide HA14 consisting of General formula nonreducing-GlcUA-(GlcNAc-GlcUA)n-GlcNAc-reducing end, and are produced by controlled enzymetic cleavage of purified, low endotoxin Hyaluronic Acid. The product is furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.