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        Alibaba.com offers 7,128 vitamin b12 products. About 34% of these are vitamins, amino acids and coenzymes, 19% are animal pharmaceuticals, and 12% are veterinary medicine. A wide variety of vitamin b12 options are available to you, such as cosmetic grade, medicine grade, and food grade. You can also choose from free samples, paid samples. There are 7,035 vitamin b12 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and Vietnam, which supply 92%, 1%, and 1% of vitamin b12 respectively. Vitamin b12 products are most popular in North America, Domestic Market, and Western Europe. You can ensure product safety by selecting from certified suppliers, including 2,028 with Other, 1,168 with ISO9001, and 781 with GMP certification.
        
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