b12 injection where is it given How to Give Yourself a Best Vitamin B12 Injection Sites:

These include how bad your deficiency is, how you react to treatment, and the method of injection

Injection site irritation may increase slightly since you are adding a daily injection to your routine, but site rotation prevents this from becoming an issue

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According to the UK government, our bodies require 1.5 micrograms (mcg) a day of Vitamin B12, although other governments advise that we actually need more

This is a meaningful evidence gap

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