A slightly pricier Hydroxocobalamin shot every three months could easily work out cheaper over a year than a less expensive Cyanocobalamin shot you need monthly
The recommended daily intake for adults is 2.4 micrograms, but higher doses are also considered safe, as your body absorbs only what it needs, and any excess is passed through urine
I have difficulty finding facilities that will take needle donations
It should be given in a clean, clinical setting to reduce the small risk of infection or irritation at the injection site
B12 from food and supplements has to pass through a fairly involved process in the stomach and gut before your body can use it, and that process becomes less efficient with age, with certain medications, and with diets that include little or no animal protein
Translation to human clinical application has been narrower than the breadth of the preclinical literature would suggest