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when to take vitamin b12 injections Injection Dosage If you have a low
Description
If tiredness is caused by a confirmed vitamin B12 deficiency, many people report noticing changes within: A few days to one week some individuals feel improvement in energy levels relatively quickly
B12 injections help regulate your nervous system and reduce stress levels

Depending on factors like metabolism and lifestyle, the effects typically last several weeks to a month

For confirmed deficiency or pernicious anaemia, NICE Clinical Knowledge Summaries recommend hydroxocobalamin 1mg intramuscularly, with frequency determined by the underlying cause and neurological involvement
