Discussion Significance of the study To our knowledge, this is the most comprehensive network meta-analysis comparing the efficacy of SL, IM, and oral routes of administration of vitamin B12 in patients with vitamin B12 deficiency
Common Side Effects Following B12 Injections B12 injections, whilst generally well-tolerated, can produce side effects that vary between individuals
I put my prescription through to the doctor, and within a week I get a text to get me know its ready
MRC Vitamin Study Research Group
The most common adverse effect involves scalp irritation, occurring in 5-10% of users and typically presenting as itching, dryness, flaking, or dermatitis
Now, in very rare cases, someone might have an allergic reaction