b12 injections vs sublingual treatment Efficacy of different routes of vitamin supplementation for the of patients with vitamin B12 deficiency: A systematic review and network meta-analysis Oral vs. Intramuscular Vitamin B12
Description
These impurities may cause irritation or reduce effectiveness

Its also important for DNA, fatty acids, and amino acid metabolism
Your doctor might suggest pausing standalone B-complex pills or high-dose biotin etc., while youre receiving these injections to avoid redundant therapy

For most people, this is not something to worry about
