The main reason that a doctor would prescribe vitamin B12 injections is if the patient is unable to obtain enough vitamin B12 on their own, whether they have pernicious anemia or are unable to get enough of the vitamin through their diet alone
B12 Shot Supplies: What Do You Need
At our clinic in West Carmel, we offer both
Injectable B12 bypasses this entirely and achieves near-100% bioavailability
Though some bacteria in the small intestines produce B12, it isnt enough to maintain adequate status in humans.2,4 According to Jack Norris, RD, a vegan expert and coauthor of Vegan for Life: Everything You Need to Know to Be Healthy and Fit on a Plant-Based Diet , there are no reliable sources of B12 in plants, contrary to many rumors about sources such as tempeh, seaweeds, and organic produce
Others may recommend a more or less rigorous dosing schedule