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About product and suppliers:
        Alibaba.com offers 1,852 b complex vitamin products. About 40% of these are veterinary medicine, 27% are vitamins, and 16% are immune & anti-fatigue. 

A wide variety of b complex vitamin options are available to you, such as powder, capsules, and tablets. You can also choose from vitamins, herbal supplements. As well as from free samples, paid samples. 

There are 1,840 b complex vitamin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 82%, 4%, and 3% of b complex vitamin respectively. 

B complex vitamin products are most popular in Domestic Market, Africa, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 639 with GMP, 285 with Other, and 207 with ISO9001 certification.