effects of high levels of vitamin b12
Vitamin B12 is also important for neurological function and the synthesis of your DNA. A vitamin B12 blood test is most often performed to test for deficiencies. However, elevated blood levels of vitamin B12 may be a sign of liver disease or certain types of leukemia. vitamin B12 blood test is most often performed to test for deficiencies. However, elevated blood levels of vitamin B12 may be a sign of liver disease or certain types of leukemia.