Some individuals may experience slight soreness or redness at the injection site, but these side effects are usually temporary and subside within a few hours to a day.
Vitamin B12 injections are generally safe
However, full effects on metabolism and other areas may take 4-6 weeks as it takes time for levels to build up in the body
Individuals with risk factors for B12 deficiency including strict vegans, those with gastrointestinal conditions, patients taking long-term metformin or proton pump inhibitors, and older adultsshould discuss screening with their GP, even in the absence of obvious symptoms
Mild injection-site reactions : redness, slight swelling, occasional bruising
If you are a fan of good food, this will be one of the experiences that you will want to repeat more than once