Immediately after weightloss treatment, sustaining suitable vitamin B12 concentrations is essential because the medical procedures alters your gastrointestinal tract, impairing natural B12 absorption. B12 supports nerve operate, blood mobile manufacturing, and DNA synthesis; deficiencies might cause neurological problems and anemia. Continual supplementation with high-dose B12 and sta... https://en.wikipedia.org/wiki/Vitamin_B12