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If you have only mild symptoms of B12 deficiency, you should notice the effects of treatment relatively quickly
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
Patients with Leber's hereditary optic neuropathy should avoid cyanocobalamin (hydroxocobalamin is preferred in the UK)
During your appointment at Right Weight Center, our specialists will review your medical history, current health status, and weight loss goals
