Older vegetarians should take vitamin B[12 supplements routinely because vitamin B12 deficiency is associated with anaemia in this patient population, investigators report. They add, however, that anaemia associated with this deficiency is seldom macrocytic.
The investigators, led by Dr. T. Kwok from the department of medicine and therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, examined the independent effect of vitamin B12 deficiency on haematological indices in 119 Chinese women over 55 years of age who had been vegetarians for more than three years.
The investigators took fasting blood samples from the patients in order to perform a complete blood count as well as to measure serum iron, total serum iron binding capacity, serum iron saturation, serum vitamin B12, serum folate, serum methylmalonic acid (MMA) levels, and renal functioning
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