When it comes to vitamin B12, most people think about it as an energy supplement. There is SO much more.When it comes to vitamin B12, most people think about it as an energy supplement.  Many people get B12 shots every now and then as a way to "boost energy" (as well as stamina) during a long and busy day. These results are, in part, because of the role B12 plays in metabolic processes.  In this segment of The Healthy Self, Michael Schwartz shares other applications of vitamin B12 that will demonstrate the intrinsic value of this much-needed nutrient.