But oral Vitamin B12 supplements do have some limitations: Lower Absorption: For individuals with certain health conditions, such as gastrointestinal disorders or those who have undergone bariatric surgery, oral supplements may not be absorbed as effectively as injections
If they teach you how to give yourself the injections, your doctor would call the prescription into your pharmacy of choice for you to pick up
It is synthesized exclusively by micro-organisms (e.g., Lactobacillus spp ) (LeBlanc et al., 2013), which are also found in the gastrointestinal tract of herbivorous animals, where the synthesis of B12 occurs and the vitamin can be acquired in animal tissues
In some cases, after proper training from your doctor, you may learn how to self-administer the injection
While some plant-based foods are fortified with B12, like certain cereals or plant-based milk, these may not provide sufficient amounts for optimal health