can i have a b12 injection when pregnant How Shots Support Your Immune System The effects of vitamin B12

Recommended Daily Intake The amount of Vitamin B12 needed varies by age

Red blood cells are needed to transfer oxygen to the periphery of your body

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Direct measurement of the binding proteins is more informative when available." How should suspected biotin or heterophile-antibody interference change interpretation of an immunoassay-based B12 result

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