Written by Leann Poston, M.D. Vitamin B12 is a water-soluble vitamin that is naturally found in some foods and added to others. Vitamin B12 can also be supplemented in oral and injectable forms. You might be surprised by the statistics on B12 deficiency. The prevalence of vitamin B12 deficiency is approximately 6% in persons younger […]The post Vitamin B12 Supplementation: An Overview appeared first on Invigor Medical.