Soon after weightloss technique, retaining satisfactory vitamin B12 levels is very important because the operation alters your gastrointestinal tract, impairing organic B12 absorption. B12 supports nerve function, blood cell production, and DNA synthesis; deficiencies might cause neurological concerns and anemia. Constant supplementation with superior-dose B12 and normal monitoring ar... http://www.amazon.com/Bariatric-Multivitamin-Antioxidants-Sublingual-Methylcobalamin/dp/B0FW6GZ78Q