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About product and suppliers:
        Alibaba.com offers 335 n-acetyl glucosamine products. About 25% of these are vitamins, amino acids and coenzymes, 20% are auxiliaries and other medicinal chemicals, and 8% are antibiotic and antimicrobial agents. 

A wide variety of n-acetyl glucosamine options are available to you, such as free samples, paid samples. 

There are 330 n-acetyl glucosamine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Japan, which supply 97%, 1%, and 1% of n-acetyl glucosamine respectively. 

N-acetyl glucosamine products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 67 with ISO9001, 50 with Other, and 8 with GMP certification.