Vitamin B12 injections may be administered in the arm or other regions with excess subcutaneous fatty tissues like the buttocks, thigh, or abdomen
If You Have No Absorption Issues : If your body absorbs B12 effectively from the digestive tract, oral supplements can be a great option for maintaining adequate levels over time
However, it is hard to precisely predict its influence on the energy level of a specific patient
Was nervous about injections, but they dont hurt
Its primarily found in the modern diet in animal products, so vegans and vegetarians need to supplement with B 12 regularly
This is because though cobalamin will take a couple of weeks to reach appropriate levels in the body, especially if deficient, it can last in the body for a long time once it reaches appropriate concentrations