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
B12 injections might not be ideal if you: have had an allergic reaction to hydroxocobalamin or any other meds in the past have low levels of potassium have an irregular or rapid heartbeat Again, dont just start taking B12 if you dont know youre deficient
Some common symptoms of MS include fatigue, vision problems, muscle weakness and spasms, difficulty walking, numbness or tingling in the limbs, and cognitive impairment
A study indicates that regular overdose of isolated vitamin B12 supplements, especially among male smokers, may increase the risk of lung cancer (Brasky et al., 2017)