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This gives you concrete evidence to take to your GP or a private clinician, ensuring you can have a productive conversation and get the right treatment without any needless delays
B12 is present in a variety of food sources (mainly animal-based products), where it is bound to protein molecules
How long does a B12 injection shot last
10mg lyophilized powder, 99%+ purity verified by Janoshik Analytical via HPLC and mass spectrometry
Some people only need an injection every few months
Some patients notice improved energy or mental clarity within 2448 hours, whilst others experience no immediate change, particularly if deficiency is severe
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