after taking vitamin b12 injection what happens Injections Benefits of Vitamin B12 Injections

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When your body is unable to absorb vitamin B12 from your diet due to the condition known as pernicious anaemia, you may experience vitamin B12 insufficiency

Jaspers, S., Hopermann, H., Sauermann, G., Hoppe, U., Lunderstdt, R., & Ennen, J

Other reported effects include: Headaches and dizziness Nausea and gastrointestinal discomfort Allergic reactions to B12 formulations (rare) If you experience symptoms suggesting a severe allergic reaction (difficulty breathing, severe rash, swelling of face/throat), seek emergency medical attention immediately by calling 999 or attending A&E

B12 also plays a significant role in preventing vascular and cognitive diseases through its involvement in the conversion of homocysteine to methionine and then to Sadenosylmethionine