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About product and suppliers:
        Alibaba.com offers 669 otc powder products. About 8% of these are animal pharmaceuticals, 7% are antibiotic and antimicrobial agents, and 1% are vitamins, amino acids and coenzymes. 

A wide variety of otc powder options are available to you, such as bag, box. You can also choose from haccp, iso. As well as from free samples, paid samples. 

There are 669 otc powder suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of otc powder respectively. 

Otc powder products are most popular in Mid East, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 221 with Other, 145 with ISO9001, and 99 with ISO14001 certification.