About product and suppliers:
            769 vitamin b12 complex products are offered for sale by suppliers on Alibaba.com, of which vitamins accounts for 30%, veterinary medicine accounts for 27%, and other healthcare supply accounts for 22%. 

A wide variety of vitamin b12 complex options are available to you, such as medicine grade, food grade. You can also choose from bottle vitamin b12 complex, as well as from vitamins, herbal supplements, and fish oil vitamin b12 complex

There are 763 suppliers who sells vitamin b12 complex on Alibaba.com, mainly located in Asia. The top countries of suppliers are Austria, China, and Vietnam, from which the percentage of vitamin b12 complex supply is 1%, 96%, and 1% respectively.