intramuscular b12 injection needle size Self-injecting vitamin B12. Quick and painless jabs after a B12… | by Dr Caroline Palmer Common Mistakes in B12 Injections

ReadyRx does not publish a guaranteed week-by-week timeline

Her nursing background is rooted in the NICU, where she developed a deep appreciation for clinical precision and patient safety

However, annual review with your GP is advisable to: Ensure adherence to the injection schedule Monitor for any new or worsening symptoms Consider testing for other autoimmune conditions if symptoms develop (particularly thyroid function, as thyroid disease is commonly associated with pernicious anaemia) [2] Gastric cancer risk: Pernicious anaemia is associated with a slightly increased risk of gastric cancer

Last updated on Mar 24, 2026

Following Official Healthcare Guidelines Bodies like the National Institute for Health and Care Excellence (NICE) provide the blueprint for B12 treatment

He is a member of CluB-12 and a respected voice on B12 deficiency and Pernicious Anaemia