how to administer b12 im injection inject subcutaneously vitamin b12 subcutaneous sites Subcutaneous Injection how to self administer b12

Next, well address frequently asked questions to help you further understand this procedure

According to NICE Clinical Knowledge Summaries, once B12 deficiency is adequately treated and symptoms resolve, routine monitoring of serum B12 levels is generally unnecessary, as clinical response is the primary indicator of treatment effectiveness

(Study: Heffernan et al., 2001) Efficacy: Preliminary studies have shown promise, with some subjects experiencing significant weight loss

If your levels were very low, the change can feel more obvious during those first couple of days

Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray