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About product and suppliers:
        Alibaba.com offers 576 mannan products. About 27% of these are feed grade enzymes, 25% are feed grade antibiotic & antibacterial agents, and 24% are feed grade amino acids. 

A wide variety of mannan options are available to you, such as promote healthy & growth, feed  preservatives, and promote nutrition. You can also choose from free samples, paid samples. 

There are 550 mannan suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 88%, 10%, and 1% of mannan respectively. 

Mannan products are most popular in Western Europe, North America, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 368 with Other, 244 with ISO9001, and 153 with ISO22000 certification.