When vitamin b12 is too high

Serraj, J. Zhu, A. Hypercobalaminemia high serum vitamin B12 levels is a frequent and underestimated anomaly. Clinically, it can be paradoxically accompanied by signs of deficiency, reflecting a functional deficiency linked to qualitative abnormalities, which are related to defects in tissue uptake and action of vitamin B The aetiological profile of high serum cobalamin predominantly encompasses severe disease entities for which early diagnosis is critical for prognosis.

If you buy something through a link on this page, we may earn a small commission. How this works. Vitamin B is necessary for several bodily processes, including nerve function and the production of DNA and red blood cells. A person whose vitamin B levels are outside of the normal range will require treatment. Low levels of the vitamin can cause neurological symptoms, as well as fatigue, constipation, and weight loss. High B levels may indicate liver disease, diabetes, or another condition.

Vitamin B cobalamin is a water-soluble vitamin that plays essential roles in red blood cell formation, cell metabolism, nerve function and the production of DNA. Food sources of vitamin B include poultry, meat, fish and dairy products. Vitamin B is also added to some foods and is available as an oral supplement. Vitamin B injections or nasal spray might be prescribed to treat vitamin B deficiency. Because your body is capable of storing several years’ worth of vitamin B, deficiency is rare.