B12 IM injections are often recommended for individuals with conditions that affect B12 absorption, such as pernicious anemia, atrophic gastritis, or those who have undergone certain gastrointestinal surgeries
Most experienced users set a 4-week expiration date from reconstitution and discard any remaining solution after that point regardless of appearance
The MHRA has issued warnings about unlicensed injectable products, particularly those obtained online or administered in non-clinical settings, due to concerns about contamination, incorrect dosing, and lack of quality assurance
If the injection goes ahead, heres roughly what happens: A brief health check and consultation, a few minutes The injection itself, given into a muscle, usually the upper arm A short pause afterward to check you feel fine before you leave The whole appointment is typically done within 15 to 20 minutes
However, common symptoms of vitamin B12 deficiency include fatigue, weakness, pale skin, shortness of breath, and tingling or numbness in the hands and feet
