According to the NIH Office of Dietary Supplements, vitamin B12 is available as cyanocobalamin and hydroxocobalamin, which are typically administered parenterally by intramuscular injection to bypass gastrointestinal absorption barriers
This can cost hundreds of dollars a month
GGB: Formal analysis, Methodology, Writing review & editing, Conceptualization, Funding acquisition, Project administration, Supervision
Start (Weeks 12): 20 mcg daily to assess tolerance, particularly regarding blood glucose effects [6]
Mr Vladislav Karkishchenko Russian Federation 7
This accounts for U-100 insulin syringes where 100 units equal 1 mL