is the b12 injection safe Vitamin Injections: Good or Bad? B12 Shot Guide: Benefits, Dosage

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NHS guidance lists common effects such as pain, swelling, or itching at the injection site and nausea

This sterile injectable solution may be used when diet alone does not provide enough biotin or when a healthcare provider thinks higher levels are needed for certain conditions

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Subcutaneous injections are administered into fat under the skin, so instead of the needle going in at a 90-degree angle, the subcutaneous injection angle is at 45 degrees so that it pierces the skin but not the muscle tissue

Avoid or limit alcohol consumption while taking this medication.