When adverse effects do occur, they are usually mild and transient, often related to the route of administration rather than the vitamin itself
It supports the production of new cells and promotes proper cell division, which is necessary for the regeneration of skin and hair follicles
Lykkesfeldt, J., & Tveden-Nyborg, P
Vitamin B12 can be found in dairy products like milk and cheese and foods like eggs, red meat, and fish
Patients should seek emergency medical help (call 999) if they experience: Difficulty breathing, wheezing, or throat tightness Swelling of the face, lips, tongue, or throat (angioedema) Widespread urticarial rash (hives) developing rapidly Dizziness, fainting, or rapid heartbeat suggesting anaphylaxis These symptoms typically occur within minutes to hours of administration, most commonly with injectable preparations
Using a clean and stable environment for administration