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The liver can store the vitamin for a long time, so it may take a few years for deficiency and symptoms to develop
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How long does B12 stay in your system after the shot wears off
Most people can prevent vitamin B12 deficiency by eating foods that have vitamin B12
You can also use condoms if you are worried about pregnancy or STIs or have been advised to use a condom as well as your pill by your doctor
In my 28 years as a bariatric nurse, I have only seen a handful of neurological symptoms in our metabolic and bariatric surgical patients
