do b12 injections affect periods Vitamin Injections: Ideal Dosage & Frequency for Men's Health Your body needs vitamin B12

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When we consume food with it in, its broken down in our gut

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

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It also helps your body use fats and carbohydrates for energy and make new protein

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