Following fat reduction process, retaining ample vitamin B12 concentrations is very important since the operation alters your gastrointestinal tract, impairing all-natural B12 absorption. B12 supports nerve function, blood mobile production, and DNA synthesis; deficiencies may cause neurological problems and anemia. Ongoing supplementation with large-dose B12 and normal checking are n... http://www.amazon.com/Bariatric-Multivitamin-Antioxidants-Sublingual-Methylcobalamin/dp/B0FW6GZ78Q