Therapeutic response to cyanocobalamin may decrease due to elderly age, infection, renal insufficiency, diabetes mellitus, marrow suppressants use (e.g
Of course, that begs the question: can you take too much v itamin B12
after an intramuscular injection of 1,000 g of cyanoB 12 , about 150 g is ultimately retained in the body 15 Most vitamin B 12 -deficient individuals in the UK and other countries are treated with intramuscular vitamin B 12 , and vitamin B 12 replacement has been traditionally administered intramuscularly
There is a large indeterminate zone between normal and abnormal levels (see Figure1: B 12 Test Result Review and Process Algorithm for Patients with Risk Factor for B 12 Deficiency* and/or Non- Specific** or Specific Symptom of B 12 Deficiency below)
I chose to use the upper side of my thigh
Many patients report less tiredness within two to four weeks of starting injections, depending on how depleted their levels were at baseline
