can you have b12 injections in pregnancy Vitamin B-12 Supplementation during and Early Lactation Increases Maternal, Breast Milk, and Infant Measures of Vitamin B-12 Status Duluth Vitamin B12 Injections -

This is the main factor for how long a B12 injection takes to work, offering a significant advantage over oral supplements, which must be broken down by the digestive system before they can be distributed throughout the body

But you may find it difficult to extract the B12 from the ampoule ( because of its shortness ) unless you can master the method of extraction by inverting the opened ampoule

The top is self-sealing and the product can be used for up to a year after first use

500ml bottle.

Vitamin B12 shots deliver vitamin B12 directly into the muscle, which helps bypass digestive absorption issues and quickly restore levels in people who are deficient