Potential common B12 side effects include, but are not limited to: mild diarrhea, upset stomach, nausea, pain at the injection site, swelling, headache and joint pain
As a pediatric ICU nurse, nurse practitioner, and clinical faculty member at some of the countrys most respected institutions, including Childrens Healthcare of Atlanta and Johns Hopkins, she lived and breathed evidence-based medicine, patient safety, and quality improvement
Clinically, B12 shots are often used to treat confirmed deficiency, neurological symptoms, or anemia related to low B12 levels
Examples include taking it before or after a workout session
Parry Strong A, Haeusler S, Weatherall M, Krebs J (2016) Sublingual vitamin B12 compared to intramuscular injection in patients with type 2 diabetes treated with metformin: a randomized trial