B complex , on the other hand, is a group of eight B vitamins (B1, B2, B3, B5, B6, B7 (biotin), B9 (folate), and B12) that work together to support your metabolism, nervous system, skin health, stress response, and more
It is also not known whether Bacteriostatic Water for Injection containing additives can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity
Sometimes an oral vitamin can further upset the stomach, so be aware that this is a possible side effect
Full results can take up to 23 months
Action: No specific treatment is usually required for high B12 levels
Conditions like Crohn's and celiac disease, along with past surgeries involving the stomach or small intestine, can each get in the way of how well you take up B12