For example, a 1 mL solution with 1000 mcg/mL is the same as 1 mg/mL
Who should avoid these injections
Sufferers of pernicious anaemia, which causes memory loss, extreme fatigue and irrational behaviour, receive an NHS vitamin B12 jab every three months
Because of its link to the digestive process and how nutrients are absorbed, people with certain factors, such as age, diet, or issues with the digestive system, may have a higher risk of becoming deficient
Individuals with Specific Conditions: Such as anemia, Crohn's disease, or celiac disease
The smaller barrel size promotes better control over the injection process, reducing the risk of injecting too much or too little medication