Elevated serum B12 is usually asymptomatic and discovered incidentally during routine blood tests Common causes include B12 supplementation, liver disease, haematological disorders, and chronic kidney disease Symptoms such as jaundice, unexplained weight loss, or bruising suggest underlying pathology requiring investigation B12 is water-soluble with no established upper safe limit, and excess is naturally excreted by the kidneys Management focuses on identifying and treating underlying causes rather than lowering B12 levels directly Patients with persistent elevation should undergo comprehensive assessment including liver function, renal function, and haematological investigations Table of Contents What Are the Symptoms of High Vitamin B12 Levels
Wisconsin medical journal , 93(5), 203205
ives me end I have noticed slight weight loss Ive been taking B12 MIC injections for a while now, and the results have been amazing
Serious side effects are rare, but discontinue use and consult a healthcare provider if you experience severe allergic reactions, persistent injection site infections, or any concerning symptoms