b complex vs b12 injections Shots vs. IV Infusions: What is the difference? Vitamin B12 and Folate |

The schedule changes based on how youre doing and your health

There is an association with "watermelon stomach" (GAVE) and pernicious anemia

In two trials employing 1000 g/day oral vitamin B 12 , there was no clinically relevant difference in vitamin B 12 levels when compared with IM vitamin B 12

Abstract Pregnant women in resource-poor areas are at risk of multiple micronutrient deficiencies, and indicators of low vitamin B-12 status have been associated with adverse pregnancy outcomes, including anemia, low birth weight, and intrauterine growth retardation

Gao J, Cahill CM, Huang X, Roffman JL, Lamon-Fava S, Fava M, et al