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        Alibaba.com offers 5,740 vitamin b12 products. About 36% of these are vitamins, amino acids and coenzymes, 23% are animal pharmaceuticals, and 15% are veterinary medicine. A wide variety of vitamin b12 options are available to you, such as feed grade, medicine grade, and cosmetic grade. You can also choose from free samples, paid samples. There are 5,737 vitamin b12 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Vietnam, which supply 91%, 2%, and 1% of vitamin b12 respectively. Vitamin b12 products are most popular in North America, Domestic Market, and Mid East. You can ensure product safety by selecting from certified suppliers, including 1,544 with Other, 765 with ISO9001, and 747 with GMP certification.
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