feel ill after b12 injection What happens if you inject wrong? What You Need to Know

Weeks 5 to 8 The first photographable changes show up

A lack of intrinsic factors becomes more common with age, and is linked with pernicious anaemia an autoimmune condition that affects the stomach

This medication is not intended to diagnose, treat, cure or prevent any disease

Serious side effects are rare

We require a verified purity of 99% or higher and perform independent third-party spot testing to confirm that select lots meet our internal standards for identity, purity, and composition

these usually present in infancy, although neurologic and psychiatric presentations of cobalamin C defect have been described in adolescents and adults (216