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About product and suppliers:
        Alibaba.com offers 1,872 b complex vitamin products. About 29% of these are vitamins, 17% are immune & anti-fatigue, and 6% are vitamins, amino acids and coenzymes. 

A wide variety of b complex vitamin options are available to you, such as capsules, powder, and tablets. You can also choose from immune & anti-fatigue, anti-aging, and providing energy. As well as from vitamins, herbal supplements, and seafood snacks. And whether b complex vitamin is cosmetic grade, feed grade, or medicine grade. 

There are 1,846 b complex vitamin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 84%, 4%, and 2% of b complex vitamin respectively. 

B complex vitamin products are most popular in Domestic Market, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 623 with GMP, 287 with Other, and 251 with ISO9001 certification.