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
683 Remarkably, the work summarized here on the superoxide dismutases (SODs) and ribonucleotide reductases (RNRs) reveal that cambialism and more generally metalloenzyme paralogs have evolved in enzymes that catalyze more restrictive chemistry, where a change in oxidation state and even access to high-valent intermediates, is involved
Theyre now considered an alternative to vitamin B12 shot that some prefer because they require no needles
none of these missed cases underwent MRI as first neuroimaging, whereas 22.2% of the non-missed group did undergo MRI
Some patients report a stark increase in energy within days, while others report slower progress
