The good news is that you dont have to be a celebrity to take advantage of the benefits of B12 therapy
Zhang HN, Yang L, Ling JY, Czajkowsky DM, Wang JF, Zhang XW, Zhou YM, Ge F, Yang MK, Xiong Q, Guo SJ, Le HY, Wu SF, Yan W, Liu B, Zhu H, Chen Z, Tao SC (2015) Systematic identification of arsenic-binding proteins reveals that hexokinase-2 is inhibited by arsenic
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These might be a better option for people with increased nutrient needs or those at a greater risk of deficiency, including individuals with medical conditions that affect absorption