Following weight loss method, retaining satisfactory vitamin B12 ranges is very important because the surgical procedures alters your gastrointestinal tract, impairing purely natural B12 absorption. B12 supports nerve purpose, blood cell output, and DNA synthesis; deficiencies could potentially cause neurological difficulties and anemia. Constant supplementation with large-dose B12 an... http://www.amazon.com/Bari-B12-Max-Methylcobalamin-Bariatric-Friendly/dp/B0FK1345B9