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[3] Initial treatment of pernicious anemia typically consists of 1,000 mcg intramuscularly daily for one week, then weekly for four weeks, transitioning to 1,000 mcg monthly for life

Too expensive

It's a "downstream" approach acting at the tissue where fat is stored

In the loading dose group, daily intranasal cobalamin administration led to a rapid rise in total serum vitamin B12 levels, increasing from a median of 230 to 1090 pmol/L within two weeks

Other common symptoms include difficulty concentrating, memory problems, lightheadedness, or even shortness of breath with mild activity

Overall, I feel great and energized