where to give im b12 injections How a Injection: Step-By-Step Instructions Vitamin B12 Injection Sites: All

- High-dose oral B12 treatment Instead of taking the injection route, a provider may prescribe a high-dose B12 oral treatmenta pill, capsule, or lozenge containing a higher concentration of B12 than your average over-the-counter (OTC) supplement

[1] Unlike the folic acid derivative leucovorin, folic acid is not clinically useful in offsetting the action of folate reductase inhibitors because it requires the enzyme dihydrofolate reductase for activation

See a doctor if you have high B12 and High B12 on a blood test doesnt always require action, but certain combinations warrant prompt evaluation: B12 above 1,000 pg/mL without supplementation or injections Unexplained fatigue, weight loss, abdominal pain, or night sweats alongside elevated B12 Abnormal liver function tests (ALT, AST, bilirubin) or kidney markers (creatinine, GFR) on the same panel Abnormal complete blood count (CBC), especially elevated white blood cells, red blood cells, or platelets B12 levels that are rising over serial measurements without a clear dietary or supplement explanation What to do about high B12 levels There is no specific treatment for high vitamin B12 because the B12 level itself is almost never the problem

This makes B12 absorption issues more common and difficult to reverse