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Are IM injections better than IV therapy

Hematological improvements occur as B12 enables proper red blood cell maturation

Understanding your options and what to expect Delivery timing and how the process works General questions before you decide Recognising Symptoms of Vitamin B12 Deficiency Vitamin B12 deficiency can develop gradually, sometimes over several years, and presents with a wide spectrum of symptoms affecting multiple body systems

But they come with significant drawbacks: high cost, injection site reactions, increased infection risk due to immune suppression, and the development of anti-drug antibodies over time that can reduce efficacy