side effects of b12 injections in humans Shots And How To Treat Them Vitamin B12 Deficiency and Multiple

Nayana Shetty, MBBS, MD Health Risks Associated with High B12 In some cases, high vitamin B12 levels symptoms can include unusual symptoms like anxiety or a rapid heartbeat, which are more likely associated with the underlying condition, not the elevated B12 levels themselves

The Cochrane Database of Systematic Reviews (3) CD004326

Effectiveness of Oral Form: There is a consensus that injectable AOD 9604 is far more effective than the oral form, which seems to have lower bioavailability

Insurance for B12 shots varies

One commenter noted that individual patient cost data requires detailed information not necessarily within hospitals' control (for example, payer algorithms, plan features, etc.)

Potential side effects include: Because its still being studied, its not FDA-approved for weight lossbut its being widely used in clinical peptide therapy protocols under supervised care