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About product and suppliers:
        Alibaba.com offers 1,462 b12 injection products. About 62% of these are veterinary medicine, 19% are vitamins, amino acids and coenzymes, and 10% are other animal drugs. 

A wide variety of b12 injection options are available to you, such as cattle, aquatic animals, and fowl. You can also choose from injection, tablet, and oral liquid. As well as from nutritional medicine, antibacterial drugs, and parasite drugs. And whether b12 injection is free samples, or paid samples. 

There are 1,457 b12 injection suppliers, mainly located in Asia. The top supplying countries or regions are China, Malaysia, and Vietnam, which supply 95%, 1%, and 1% of b12 injection respectively. 

B12 injection products are most popular in Mid East, Africa, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,063 with GMP, 249 with Other, and 126 with ISO9001 certification.