how much b12 per injection Dosage and Frequency: 7 Guidelines for Adults What Is the Effective Dose
Description
For intramuscular injections, 22-25 gauge is preferred, while for subcutaneous injections, 25-27 gauge is suitable

Billing Consideration: 90736 should no longer be used for billing purposes

However, some individuals may require additional pens depending on their protocol

While anyone experiencing a B12 deficiency can benefit from B12 shots, certain groups are more likely to need them, including: Vegans and vegetarians Elderly individuals Individuals with Crohns disease or celiac disease Individuals taking proton pump inhibitors or metformin which interfere with B12 absorption Side Effects and Precautions While Vitamin B12 shots are usually deemed safe, there might be some potential side effects, such as: Pain or redness at the injection site Mild diarrhea Headache Itching or rash In rare instances, individuals may encounter more intense reactions, like difficulty breathing or anaphylaxis
People who are more insulin-resistant need a higher dose of insulin to maintain their blood glucose levels within the normal range

They are not recommended as a general supplement for individuals with normal B12 levels, and there is no evidence that B12 injections enhance the weight loss or glucose-lowering effects of Mounjaro
