how frequently can you have b12 injections Injection Frequency: Often Should Get a Shot? Do You Need a Prescription

doi: 10.1016/j.tem.2017.02.004

While this interaction primarily affects dietary B12 absorption rather than injected cyanocobalamin, patients on long-term acid suppression therapy may have depleted B12 stores that require consideration when initiating treatment

5-Methyl THF serves as a methyl donor in the vitamin B 12 -dependent reactions catalyzed by methionine synthase, which remethylates homocysteine to methionine, regenerating THF

Recommended B12 doses for adults 55+: Sublingual (under tongue): 1,000-2,500 mcg daily Oral tablet: 1,000-2,000 mcg daily B12 injection: 1,000 mcg monthly (by prescription) Which Form of B12 is Best

The injection is administered into the muscle or under the skin by a healthcare professional