side effects of vit b12 injection Feeling worse after Injection: Answering concerns Feeling run down or low

If you still have marked tenderness after 48 hours, wait until it eases or get advice from the clinician who administered the shot

Ongoing Benefits: With regular maintenance injections, patients typically experience sustained energy levels, enhanced mental performance, improved stress resilience, and support for healthy metabolism, creating a foundation for overall wellness and vitality

It should not be used in a home setting, or by an untrained professional

L., Martorana, U., Cataldo, P., Brancato, G

Chemical Society Reviews

Unlike B12 deficiency, which produces recognisable neurological and haematological symptoms, excess vitamin B12 typically remains asymptomatic and is discovered incidentally during routine blood tests