A seminal cost analysis published in Canadian Family Physician (2001) projected that switching patients from intramuscular B12 injections to oral supplements could save between $2.9 million and $17.6 million depending on the population studied with one Ontario analysis estimating $14.5 million in savings for 110,000 elderly patients
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Stanley TL et al., "Effects of tesamorelin on non-alcoholic fatty liver disease in HIV: a randomised, double-blind, multicentre trial," The Lancet HIV, 2019
For a person who cannot absorb B12, the injection is a critical, life-sustaining treatment, not a voluntary supplement
Benefits Of B12 Injections Increased Red Blood Cells B12 injections play a crucial role in supporting the production of healthy red blood cells, helping the body maintain effective oxygen transport and prevent issues related to low hemoglobin or deficiency