why are b12 injections better than tablets The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Who Should Take Vitamin B12
Description
Typically, Vitamin B Complex injections can be given every 1-2 weeks

Vitamin B12 injections have long been the only treatment for pernicious anemia

10.1016/j.drudis.2021.05.011 34 GaoY.Van HarenM

While a provider should confirm a deficiency first, certain groups tend to benefit most from a weekly schedule during active treatment

The production of intrinsic factor happens in the stomach, which if impaired, can have a hard time properly synthesizing this protein
Gersner T., ZfP Zwiefalten, Department of Psychiatry and Psychotherapy
