Lack of absorption and genetic factors may also contribute to vitamin B12 deficiency
This two-needle method is a key step for comfort because it ensures the needle entering your skin is perfectly sharp and hasnt been dulled by piercing the vials rubber stopper
The EFSA notes, The inherent uncertainty of this [factorial] approach is reflected in the wide range of cobalamin intake calculated to compensate for estimated daily losses, depending on the assumptions taken (EFSA, 2015). Appendix D
Seek medical advice if you are taking B12 supplements and experience: Persistent skin changes, particularly acne-like eruptions or rosacea worsening Unexplained headaches or dizziness that coincide with supplement use Gastrointestinal symptoms including nausea or abdominal discomfort Any allergic reactions such as rash or itching Call 999 or go to A&E immediately if you experience: Difficulty breathing Swelling of the face, lips, tongue or throat Severe rash or itching Other symptoms of severe allergic reaction after taking B12 These symptoms warrant review of your supplementation regimen
2014;(Suppl 2):004
When its time for your injection, you can trust that we use only single-use, sterile equipment and carefully sterilise the injection site to minimise any risk of infection
