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why is vitamin b12 injection so painful Injections: Who Should Get Them and How Long Do They Last? Vitamin B12 Injections: Hot Shots?
Description
Incorrect injection can cause pain, bruising, or swelling

Statement of Human and Animal Rights: All procedures in this study were conducted in accordance with The Medical Ethics Committee of Kaohsiung Veterans General Hospital approved protocols

Typically it is safe for all patients and has no risk of being toxic

Younger people can also become deficient, particularly if they don't eat a balanced, nutrient-rich diet
