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You should get B12 shots weekly to monthly for maintenance and IV infusions monthly to quarterly for broader wellness support, though frequency depends on deficiency severity, health goals, and your providers recommendation
In rare cases, patients might experience hypokalemia (low potassium levels), which can cause muscle weakness and cramps
Vitamin B12 injections should always be prescribed by a doctor, who can advise the dose, frequency of application and treatment duration, all which vary depending on the condition being treated
It depends on the person and the severity of the pain
Injections bypass the digestive tract entirely, making them more reliable for people with absorption challenges or severe deficiencies
Genuine B12 deficiency can contribute to anxiety-like symptoms, irritability, low mood, and a "wired but tired" feeling and correcting it can meaningfully improve how you feel
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