vitamin b12 injection vs tablet Injections vs. Oral Supplements: Which Is Better? Oral vitamin B12 versus intramuscular

Because of this, it is very important to understand if you are deficient and to replace your levels if you are

Baseline: CBC, B12, folate, iron studies Repeat B12 levels 1 month after loading dose Annual checks for chronic therapy Monitor potassium during initial treatment Neurological exams for neuropathic symptoms B12 injections can "mask" megaloblastic anemia from folate deficiency while allowing neurological damage to progress

Some people may also feel like their entire body is swollen, notes MedlinePlus

while the latter is usually considered safe, the body will absorb only a small percentage of that amount

Anemia, Iron Deficiency, And Cobalamin Deficiency in Cats with Chronic Gastrointestinal Disease