If you follow a strict vegan or vegetarian diet, you may also be at increased risk for B12 deficiency, since this vitamin is primarily found in animal products
If any questions arise, for instance, about needle size, or if you experience an injection site issue, consult your provider
The following sections break down each scenario
Methods We searched four electronic databases (PubMed, Scopus, Web of Science, and Cochrane CENTRAL Register of Controlled Trials)
Another potential contributor to B12 deficiency is low levels of stomach acid
Furthermore, it is crucial to note that superoxides are the primary but not the sole source of H 2 O 2