How Common are B12 Deficiencies?

March 22, 2018

Did you know that an autoimmune B12 deficiency condition, pernicious anemia, is very common and is found in most people with a thyroid disorder?


To start, pernicious anemia is very common:


  • 10% in the female population (child-bearing age)

  • 10% of elderly population.



Pernicious anemia becomes even more common if you suffer from a thyroid disorder:


40.9% Hypothyroidism


57.1% Hyperthyroidism




Pernicious anemias can be diagnosed in blood tests, but many people with early onset or mild forms of anemia might not test positive. B12 injections may result in improved energy, stamina, immune health, mental focus, mood and/or sleep. 






Konduracka E, Gajos G. Clinical characteristics of elderly patients with heart failure: what else do we need to know? Pol Arch Med Wewn. 2016; 126: 463-464.


Taylor S, Rampton D. Treatment of iron deficiency anemia: practical considerations. Pol Arch Med Wewn. 2015; 125: 452-460. 


Lippi G, Montagnana M, Salvagno GL, Guidi GC. Should women with abnormal serum thyroid stimulating hormone undergo screening for anemia? Arch Pathol Lab Med. 2008; 132: 321-322.

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