VITAMIN B12 1% SD is a powder of Cyanocobalamin stabilized in a matrix of Modified Food Starch. It is compounded with Sodium Citrate and Citric Acid. Silicon Dioxide is added as a flow agent. VITAMIN B12 1% SD is designed to circumvent the difficulty of homogenous addition of low levels of vitamin B12 to pharmaceuticals. This convenient product blends readily and improves distribution in premixes, dry products and liquid mixtures or suspensions used in pharmaceuticals. VITAMIN B12 1% SD provides an easy and consistent way to add precise amounts of vitamin B12 into various pharmaceutical formulations. The uniform dispersion of vitamin B12 achieved through use of VITAMIN B12 1% SD helps ensure accurate and consistent dosing of active ingredients in final pharmaceutical products.