Soon after weight loss procedure, maintaining suitable vitamin B12 concentrations is important because the surgical procedure alters your gastrointestinal tract, impairing natural B12 absorption. B12 supports nerve purpose, blood cell output, and DNA synthesis; deficiencies can result in neurological problems and anemia. Continual supplementation with large-dose B12 and regular monito... https://www.amazon.com/dp/B0FW6GZ78Q