It is important to note that all current evidence derives from in vitro cellular models and in vivo animal studies, and no human clinical trials have been conducted as of February 2026
Pernicious anemia symptoms: Symptoms of B12 deficiency can include:[ref] fatigue, paleness, shortness of breath (anemia symptoms) headaches, dizziness tingling in the extremities trouble walking or uncontrollable muscle movements cognitive issues, brain fog depression or irritability intestinal issues glossitis Vitamin B12 (cobalamin) is found in animal proteins such as meat and eggs and in supplement forms
But does this mean that B12 shots, in which a nurse injects a vile of B12 into your hip or buttocks, is a good solution to this growing problem
Supplied as a laboratory-grade compound for in vitro and preclinical research use only
Professional clinics work with patients to optimize insurance benefits while providing transparent pricing for services not covered under provincial plans
Injections are recommended because only injections guarantee the vitamin will be absorbed and used by the body