N-Acetylglucosamine (N-acetyl-D-glucosamine, or GlcNAc, or NAG) is a derivative of . It is an amide between and . It has a molecular formula of 8156, a of 221.21 g/mol, and it is significant in several biological systems.
It is part of a biopolymer in the bacterial , built from alternating units of GlcNAc and (MurNAc), cross-linked with at the residue of MurNAc. This layered structure is called .
GlcNAc is the monomeric unit of the polymer , which forms the outer coverings of and . GlcNAc is also of note in , where it is thought to be an atypical functioning in nocioceptive () pathways.
Polymerized with it forms .

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Purity : 99% (HPLC)
Storage Instructions : Store in a cool, dry place away from sunlight
Best Before : 36 months from manufacturing
Medicine Type : Nutraceutical
Shelf Life : 3 Years
Flavor : Unflavored
Purity : 99% pure
Storage Instructions : Store in a cool, dry place away from direct sunlight
Best Before : 24 months from manufacturing date
Medicine Type : Nutraceutical
Shelf Life : 24 months
Flavor : Unflavored or as per request
Purity : 99% min
Storage Instructions : Store in a cool, dry place, away from sunlight
Best Before : 2 Years from date of manufacture
Medicine Type : Nutraceutical
Shelf Life : 2 Years
Flavor : Odorless, Tasteless
Purity : >= 99%
Storage Instructions : Store in a cool, dry place away from direct sunlight
Best Before : 24 Months from manufacturing date
Medicine Type : Nutraceutical / Dietary Supplement
Shelf Life : 2 Years
Flavor : Odorless, Tasteless