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And then repeat the one dose every 3-4 months as required Aftercare No strenuous exercise or alcohol for 24 hours Increase water intake after treatment for optimum results Report any unexpected side effects immediately Results As long as it is a true deficiency, most clients will require a loading dose of 4 injections over 4 weeks and then 1 dose every 3-4 months as required to feel the full benefit of this treatment Possible side effects Mild soreness, bleeding, bruising or swelling at injection site Vitamin B12 injections are a safe and effective way to replenish your B12 levels by injecting a concentrated dose directly into your muscle, ensuring it gets to where it needs to be quickly and efficiently
Wellness 19 May 2026 6 min read How long do B12 injections last
(2009) Vitamin B12 may be more effective than nortriptyline in improving painful diabetic neuropathy
A 29 gauge needle produces significantly less discomfort than a 25 gauge needle and is thin enough that most patients describe the sensation as a mild pinch rather than a sting
