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
Hydroxocobalamin and adenosylcobalamin also exist but see less use in standard wellness care settings
and certain diabetes medicines such as metformin
B12 InjectionB12 injections provide a concentrated dose of vitamin B12, an essential nutrient that supports energy production, metabolism, and overall health
Potent pan huACE2-dependent sarbecovirus neutralizing monoclonal antibodies isolated from a BNT162b2-vaccinated SARS survivor
A5: No, fasting is not required before 5-Amino-1MQ Peptide Therapy