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The Vitamin B12 injection dosage and frequency vary depending on your deficiency level, metabolism, and goals

By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version B12 injections are the standard NHS treatment for proven B12 deficiency, most commonly caused by autoimmune gastritis (pernicious anaemia), some medications, gut surgery, or a long-term vegan diet without fortification

Some may experience minor side effects such as: Redness or swelling at the injection site Temporary soreness or bruising Less commonly, side effects could include: Mild headaches Nausea Itchy skin or rash Should you notice any prolonged side effects, we recommend speaking with your GP or calling NHS 111 for advice

Vitamin B12, also known as cobalamin, is a vital nutrient with significant importance for various bodily functions

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The process involves boosting the levels of this coenzyme, which can decline with age or stress