how often to inject b12 Shots at Home: How, Where & Yourself Vitamin B12 Dosages: Your GoodRx

Ultimately, the decision to start B12 injections should be made in consultation with one of our healthcare professionals

If you have a vitamin B12 deficiency, you might feel symptoms like fatigue, weakness, or tingling in your hands and feet

Common signs include fatigue, weakness, numbness or tingling in the hands and feet, trouble with balance, or cognitive changes

London: Academic Press (Elsevier)

Fasted-state dosing eliminates dietary nicotinamide competition for NNMT binding sites, increasing effective dose by 3542% compared to post-meal administration

It is often prescribed for individuals with pernicious anemia or other conditions that impair B absorption (for example, after gastric surgery or in certain digestive disorders)